About the security content of macOS Tahoe 26.6

This document describes the security content of macOS Tahoe 26.6.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

macOS Tahoe 26.6

Accounts

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: An access issue was addressed with additional sandbox restrictions.

CVE-2026-43819: Omar Cerrito

Accounts

Available for: macOS Tahoe

Impact: An app may be able to gain root privileges

Description: A parsing issue in the handling of directory paths was addressed with improved path validation.

CVE-2026-43749: Adam Franke, Ashish Kunwar, Trung Nguyen (@everping) of CyStack

Accounts Framework

Available for: macOS Tahoe

Impact: An app may be able to fingerprint the user

Description: This issue was addressed with improved data protection.

CVE-2026-64733: Rosyna Keller of Totally Not Malicious Software (paradisefacade.com)

afpfs

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2026-64767: Dave G.

apache

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause a denial-of-service

Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

CVE-2026-23918: Юлия Мерцалова

APFS

Available for: macOS Tahoe

Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64695: Peter Malone

App Store

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: This issue was addressed with improved checks.

CVE-2026-43801: Rahul Raj

Apple Account

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: A race condition was addressed with improved state handling.

CVE-2026-43781: Pinak Oza

Apple Account

Available for: macOS Tahoe

Impact: A malicious app may be able to break out of its sandbox

Description: An authorization issue was addressed with improved state management.

CVE-2026-64737: Robert Mindo

Apple Neural Engine

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-43748: an anonymous researcher, tamdao, Franco Belman at Blackwing Intelligence

Apple Neural Engine

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A use after free issue was addressed with improved memory management.

CVE-2026-28928: Dun

AppleDouble

Available for: macOS Tahoe

Impact: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2026-43776: Irvin Wang, Peter Malone, Nicolas Rabrenovic

AppleRAID

Available for: macOS Tahoe

Impact: A local user may be able to read kernel memory

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2026-43681: impost0r (ret2plt), David Ige - Beryllium Security

Assets

Available for: macOS Tahoe

Impact: A malicious application may be able to bypass Privacy preferences

Description: An authorization issue was addressed with improved state management.

CVE-2026-43672: 이재영

ATS

Available for: macOS Tahoe

Impact: An app may be able to read files outside of its sandbox

Description: A permissions issue was addressed by removing the vulnerable code.

CVE-2026-43763: Pavan Nallamothu, Jared Reyes

Audio

Available for: macOS Tahoe

Impact: An app may be able to break out of its sandbox

Description: An access issue was addressed with additional sandbox restrictions.

CVE-2026-64702: John Lussier

Audio

Available for: macOS Tahoe

Impact: An app may be able to cause a denial-of-service

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-64725: Seonung Park, ALTV!ST (altvi.st/)

AuthKit

Available for: macOS Tahoe

Impact: An app may be able to fingerprint the user

Description: A permissions issue was addressed with additional restrictions.

CVE-2026-43730: David Strnadel

AVEVideoEncoder

Available for: macOS Tahoe

Impact: An app may be able to execute arbitrary code with kernel privileges

Description: A buffer overflow was addressed with improved size validation.

CVE-2026-64747: Franco Belman at Blackwing Intelligence

AVEVideoEncoder

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2026-64762: Dun, Franco Belman at Blackwing Intelligence

BackgroundAssets

Available for: macOS Tahoe

Impact: An app may be able to delete files for which it does not have permission

Description: A permissions issue was addressed with improved validation.

CVE-2026-64707: YingQi Shi (@Mas0nShi) of DBAppSecurity's WeBin lab

cd9660

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination or read kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64698: an anonymous researcher, Richard Zana, Nathaniel Oh (@calysteon), Peter Malone

CloudAttestation

Available for: macOS Tahoe

Impact: A maliciously crafted app may be able to bypass code signing enforcement

Description: A validation issue was addressed with improved input sanitization.

CVE-2026-43813: Anton Pakhunov

Contacts

Available for: macOS Tahoe

Impact: An app may be able to add contacts without user authorization

Description: An authorization issue was addressed with improved validation.

CVE-2026-64746: Rodolphe BRUNETTI (@eisw0lf) of Lupus Nova, Daniel Febrero

Contacts

Available for: macOS Tahoe

Impact: Processing a maliciously crafted contact may leak sensitive data

Description: The issue was addressed with improved checks.

CVE-2026-64734: Daniel Williams

Contacts

Available for: macOS Tahoe

Impact: An app may be able to access information about a user's contacts

Description: This issue was addressed with improved checks.

CVE-2026-43797: Arni Hardarson (Neonix Security)

Control Center

Available for: macOS Tahoe

Impact: An app may be able to access user-sensitive data

Description: A logic issue was addressed with improved validation.

CVE-2026-43756: 이재영

Core Services

Available for: macOS Tahoe

Impact: An app may be able to gain root privileges

Description: A race condition was addressed with improved state handling.

CVE-2026-43693: Gergely Kalman (@gergely_kalman)

CoreAudio

Available for: macOS Tahoe

Impact: Processing a maliciously crafted audio file may corrupt process memory

Description: The issue was addressed with improved memory handling.

CVE-2026-43673: Anonymous working with TrendAI Zero Day Initiative

CoreAudio

Available for: macOS Tahoe

Impact: Processing an audio stream in a maliciously crafted media file may terminate the process

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-43744: Mathis Mansière, an anonymous researcher

CoreAudio

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause unexpected system termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-43803: Rahul Raj

CoreMedia

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: An authorization issue was addressed with improved state management.

CVE-2026-43775: Csaba Fitzl (@theevilbit) of Iru

CVE-2026-43759: 이재영, Rajdip Dey Sarkar, Arni Hardarson (Neonix Security)

CoreMedia

Available for: macOS Tahoe

Impact: Processing a maliciously crafted video file may lead to unexpected app termination

Description: A memory corruption issue was addressed with improved memory handling.

CVE-2026-43711: James Duffy (@0x4A616D657344)

CoreVideo

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-43802: an anonymous researcher

Crash Reporter

Available for: macOS Tahoe

Impact: An app may be able to leak sensitive user information

Description: A privacy issue was addressed by removing sensitive data.

CVE-2026-64710: Matthew Schneider

CUPS

Available for: macOS Tahoe

Impact: A malicious app may be able to gain root privileges

Description: A permissions issue was addressed with additional restrictions.

CVE-2026-39875: Dallas Dubs, Aaron Grattafiori - NVIDIA AI Red Team, XBreach.ai, Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs

CUPS

Available for: macOS Tahoe

Impact: An app may be able to gain root privileges

Description: An injection issue was addressed with improved validation.

CVE-2026-43698: Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs

curl

Available for: macOS Tahoe

Impact: Authentication credentials may be sent to a server on another origin

Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

CVE-2026-3784

CVE-2026-3783

Data Detectors UI

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: An authorization issue was addressed with improved state management.

CVE-2026-43758: HvxyZLF

DesktopServices

Available for: macOS Tahoe

Impact: An app may bypass Gatekeeper checks

Description: A file quarantine bypass was addressed with additional checks.

CVE-2026-64708: Lance Cain - Offensive Security Engineer, SpecterOps Inc.

Disk Images

Available for: macOS Tahoe

Impact: An app may be able to disclose kernel memory

Description: The issue was addressed with improved bounds checks.

CVE-2026-64776: Hyunwoo Kim (@v4bel)

Disk Images

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An integer overflow was addressed with improved input validation.

CVE-2026-64694: Gil Portnoy & Henry

Disk Images

Available for: macOS Tahoe

Impact: Parsing a maliciously crafted file may lead to an unexpected app termination

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2026-43747: Anthony Laou Hine Tsuei (@anarcheuz)

Disk Images

Available for: macOS Tahoe

Impact: An app may be able to bypass network restrictions

Description: A permissions issue was addressed with additional sandbox restrictions.

CVE-2026-28945: Ayaan Ahmad

DriverKit

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An issue existed in the handling of environment variables. This issue was addressed with improved validation.

CVE-2026-43793: erdene-och Byambabayar

DriverKit

Available for: macOS Tahoe

Impact: An attacker with physical access to a locked device may be able to view sensitive user information

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2026-43753: Niels Hofmans

Foundation

Available for: macOS Tahoe

Impact: A malicious app may be able to access protected user data

Description: The issue was addressed with improved input sanitization.

CVE-2026-43714: an anonymous researcher

Game Center

Available for: macOS Tahoe

Impact: A malicious app may be able to break out of its sandbox

Description: A parsing issue in the handling of directory paths was addressed with improved path validation.

CVE-2026-64740: Manuel Fernandez (Stackhopper Security)

Game Center

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: This issue was addressed with improved data protection.

CVE-2026-43796: Ilya Andr (andrd3v) of Positive Technologies, Stanislav Jelezoglo

GPU Drivers

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A buffer overflow was addressed with improved size validation.

CVE-2026-64691: Somair Ansar, Josh Maine of Calif.io, Johnny Franks (@zeroxjf), hxr1, Alexandre Soleiman, Alexander Tarasikov and Ruslan Dautov, Ruslan Dautov

Heimdal

Available for: macOS Tahoe

Impact: An app may be able to cause a denial-of-service

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2026-64692: Redon Gashi

HFS

Available for: macOS Tahoe

Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-43682: Trung Nguyen (@everping) of CyStack, Dave G., Nicolas Rabrenovic, Atul R V & Ashmit Sharma, Peter Malone

HFS

Available for: macOS Tahoe

Impact: Processing a maliciously crafted image may lead to arbitrary code execution

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2026-28981: Hcamael and 章鱼哥@aipy （aipyaipy.com）, Aswin Kumar Gokulakannan, Surya Narayan Kushwaha, Dun

HFS

Available for: macOS Tahoe

Impact: Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2026-43773: Richard Zana, Peter Malone, Surya Narayan Kushwaha, Hyunwoo Kim (@v4bel), Cem Onat Karagun

HFS

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: The issue was addressed with improved memory handling.

CVE-2026-43767: Hyunwoo Kim (@v4bel)

HFS

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An integer overflow was addressed with improved input validation.

CVE-2026-43764: Tristan Madani (@TristanInSec) from Talence Security

HFS

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64697: Peter Malone

HFS

Available for: macOS Tahoe

Impact: An attacker may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-43710: Peter Malone

ImageIO

Available for: macOS Tahoe

Impact: Processing a maliciously crafted texture may lead to unexpected app termination

Description: An integer overflow was addressed with improved input validation.

CVE-2026-43780: Michael DePlante (@izobashi) of TrendAI Zero Day Initiative

ImageIO

Available for: macOS Tahoe

Impact: Processing a maliciously crafted image may lead to arbitrary code execution

Description: An integer overflow was addressed with improved input validation.

CVE-2026-43818: an anonymous researcher

ImageIO

Available for: macOS Tahoe

Impact: Processing a maliciously crafted image may corrupt process memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64716: Arni Hardarson, Jonathan Alush-Aben, Peter Malone

ImageIO

Available for: macOS Tahoe

Impact: Processing a maliciously crafted file may lead to unexpected app termination

Description: The issue was addressed with improved bounds checks.

CVE-2026-64758: 진규정 (Gyujeong Jin, @G1uN4sh)

ImageIO

Available for: macOS Tahoe

Impact: Processing a maliciously crafted file may lead to a denial-of-service

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-64754: PETOWORKS의 Bugeun Choi (@Bugeun), Rahul Raj

ImageIO

Available for: macOS Tahoe

Impact: Processing a maliciously crafted image may lead to a denial-of-service

Description: A type confusion issue was addressed with improved checks.

CVE-2026-64693: Geonha Lee (@leegn4a)

IOKit

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination or write kernel memory

Description: A race condition was addressed with improved state handling.

CVE-2026-43805: 이재영

Kernel

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: This issue was addressed with improved checks.

CVE-2026-43782: Igor Ushakov

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64749: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Ashish Kunwar, Hiroki Imai (LAC Co., Ltd.), hxr1

Kernel

Available for: macOS Tahoe

Impact: An app may be able to disclose kernel memory

Description: An information leakage was addressed with additional validation.

CVE-2026-64744: Ryan Hileman via Xint Code (xint.io)

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination or corrupt kernel memory

Description: A use after free issue was addressed with improved memory management.

CVE-2026-43778: f0r of MurphySec, Feng Xue and XGPT of ThreatBook, Mahmoud Abdelmoniem, an anonymous researcher, Wang Yu, Lyutoon, Hiroki Imai (LAC Co., Ltd.), DARKNAVY (@DarkNavyOrg), Fábio Luís @scanpt, Nicolas Rabrenovic

Kernel

Available for: macOS Tahoe

Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory

Description: A race condition was addressed with improved locking.

CVE-2026-28982: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Adam Doupé of ASU SEFCOM

Kernel

Available for: macOS Tahoe

Impact: An app may be able to disclose kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64709: Pasquale Scola, Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

Kernel

Available for: macOS Tahoe

Impact: A remote attacker may be able to bypass network filters

Description: An inconsistent user interface issue was addressed with improved state management.

CVE-2026-64735: Gor Aleksanyan

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-43739: impost0r (ret2plt), Ruslan Dautov, Aleksandr Tarasikov, jay, Dhiyanesh Selvaraj (@redroot97), Vinay Kumar Rasala (Xplo8E) from Appknox, Lyutoon, DongJun Kim (smlijun) with UIUC, Hwiwon Lee (hwiwonl) with UIUC, Jongseong Kim (nevul37) with UIUC, Younggi Park (grill66) with UIUC, Peter Malone, an anonymous researcher, Hari Shanmugam (The Hxr1), Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Marco Grassi, Dun, Daniele Castronovo, Michal Kosiorek

CVE-2026-43816: Josh Maine of Calif.io, Ruslan Dautov, 재영 정, @rootxran (Rao Ali Nawaz), Chanwit Muenprakoddee (ChemIndy), an anonymous researcher, Ye Zhang (@VAR10CK) of Baidu Security, Franco Belman at Blackwing Intelligence, Christian Figueroa, Johnny Franks (@zeroxjf), Ashmit Sharma & Atul RV, Peter Malone, Muhamad Syaiful, Muneeb Amin Bhat, Dhiyanesh Selvaraj (@redroot97), Ali Marzouq, Bountyy Oy - Mihalis Haatainen, Huy Nguyen (@34306) of Calif.io

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A use after free issue was addressed with improved memory management.

CVE-2026-43822: Eddy Tsalolikhin, Michal Kosiorek

CVE-2026-64729: Josh Maine of Calif.io, beist, Adam Doupé of ASU SEFCOM, Dun, Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Johnny Franks (@zeroxjf)

CVE-2026-43814: Somair Ansar, Huy Nguyen (@34306) of Calif.io

CVE-2026-64700: Asjid Kalam (@odinshell)

CVE-2026-43799: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

Kernel

Available for: macOS Tahoe

Impact: Connecting to a malicious NFS server may lead to kernel memory corruption

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2026-28931: Redon Gashi, Abhijeet Singh (linkedin.com/in/abhiunix/), Peter Malone, Omar Cerrito

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2026-43817: Huy Nguyen (@34306) of Calif.io

CVE-2026-43809: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

CVE-2026-43757: Wang Yu, Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: An integer overflow was addressed with improved input validation.

CVE-2026-43769: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A type confusion issue was addressed with improved memory handling.

CVE-2026-64727: Ye Zhang (@VAR10CK) of Baidu Security

Kernel

Available for: macOS Tahoe

Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-43810: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd.

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A memory initialization issue was addressed with improved memory handling.

CVE-2026-64775: Ryan Hileman via Xint Code (xint.io)

Kernel

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: A logic issue was addressed with improved checks.

CVE-2026-64723: Ji'an Zhou, Mingxuan Yang, Ye Zhang

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A race condition was addressed with improved state handling.

CVE-2026-64720: an anonymous researcher, Asjid Kalam (@odinshell), Jian Zhou and Ye Zhang

Kernel

Available for: macOS Tahoe

Impact: An app may be able to leak sensitive kernel state

Description: This issue was addressed with improved redaction of sensitive information.

CVE-2026-43754: Calif Research, Ernesto Martínez García

Kernel

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination or write kernel memory

Description: A use after free issue was addressed with improved memory management.

CVE-2026-64751: N.M.Praveen Nawarathne (@zblockrat)

Kernel

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: This issue was addressed through improved state management.

CVE-2026-64721: Lukas Gerlach

libarchive

Available for: macOS Tahoe

Impact: Processing a maliciously crafted file may result in disclosure of process memory

Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org.

CVE-2026-4424

libc

Available for: macOS Tahoe

Impact: A malicious app may be able to break out of its sandbox

Description: An integer overflow was addressed with improved input validation.

CVE-2026-28973: an anonymous researcher

Libnotify

Available for: macOS Tahoe

Impact: An attacker may be able to cause unexpected app termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-64739: Feng Xue and XGPT of ThreatBook, Dun

LoginWindow

Available for: macOS Tahoe

Impact: An attacker with physical access to a locked device may be able to view sensitive user information

Description: An authorization issue was addressed with improved state management.

CVE-2026-43766: Amy (amys.website)

Managed Configuration

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: An authorization issue was addressed with improved state management.

CVE-2026-64743: Daniel Febrero

Maps

Available for: macOS Tahoe

Impact: A malicious app may be able to break out of its sandbox

Description: A permissions issue was addressed with additional restrictions.

CVE-2026-64738: Nathaniel Oh (@calysteon), Robert Mindo

mDNSResponder

Available for: macOS Tahoe

Impact: A local attacker may be able to cause a denial of service

Description: A denial of service issue was addressed by removing the vulnerable code.

CVE-2026-43806: He Wei (ギカク), 章鱼哥 (@aipy) of aipyaipy.com, Jex Amro, Cem Onat Karagun

mDNSResponder

Available for: macOS Tahoe

Impact: An attacker on the local network may be able to cause a denial-of-service

Description: The issue was addressed with improved memory handling.

CVE-2026-64724: Daisuke Hatakeyama (@SYZD Research)

MediaRemote

Available for: macOS Tahoe

Impact: An app may be able to gain root privileges

Description: A path handling issue was addressed with improved validation.

CVE-2026-43723: Richard Zana, Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs

Metal

Available for: macOS Tahoe

Impact: A malicious app may be able to corrupt memory of a system process

Description: The issue was addressed with improved memory handling.

CVE-2026-28911: yk lin of @pixiepointsec

Model I/O

Available for: macOS Tahoe

Impact: Processing a maliciously crafted image may corrupt process memory

Description: The issue was addressed with improved memory handling.

CVE-2026-43733: Michael DePlante (@izobashi) of TrendAI Zero Day Initiative

CVE-2026-43729: Michael DePlante (@izobashi) of TrendAI Zero Day Initiative

Model I/O

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause unexpected application termination or heap corruption

Description: An out-of-bounds write issue was addressed with improved input validation.

CVE-2026-64772: stratan (@5tratan), wh0am1i

Model I/O

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause unexpected application termination or heap corruption

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2026-64771: wh0am1i

Model I/O

Available for: macOS Tahoe

Impact: Processing a 3D model may result in disclosure of process memory

Description: A buffer overflow issue was addressed with improved memory handling.

CVE-2026-64722: wh0am1i

Model I/O

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause unexpected application termination or heap corruption

Description: An integer overflow was addressed with improved input validation.

CVE-2026-64774: stratan (@5tratan)

Model I/O

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause unexpected application termination or heap corruption

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-64770: stratan (@5tratan)

CVE-2026-64769: stratan (@5tratan)

Model I/O

Available for: macOS Tahoe

Impact: A remote attacker may cause an unexpected app termination

Description: An out-of-bounds read issue was addressed with improved input validation.

CVE-2026-64768: stratan (@5tratan)

Net-SNMP

Available for: macOS Tahoe

Impact: An app may be able to cause a denial-of-service

Description: A stack overflow was addressed with improved input validation.

CVE-2026-43771: Robert Tran

NetFSFramework

Available for: macOS Tahoe

Impact: An app may be able to break out of its sandbox

Description: A path traversal issue was addressed with improved input validation.

CVE-2026-43772: Mickey Jin (@patch1t)

NSColorPanel

Available for: macOS Tahoe

Impact: An app may be able to leak sensitive user information

Description: This issue was addressed with additional entitlement checks.

CVE-2026-64711: Koh M. Nakagawa (@tsunek0h) of FFRI Security, Inc.

PackageKit

Available for: macOS Tahoe

Impact: A user may be able to elevate privileges

Description: A logic issue was addressed with improved restrictions.

CVE-2026-28912: Matej Moravec (@MacejkoMoravec)

PackageKit

Available for: macOS Tahoe

Impact: An app may be able to modify protected parts of the file system

Description: This issue was addressed with improved handling of symlinks.

CVE-2026-43765: Mickey Jin (@patch1t)

Printing

Available for: macOS Tahoe

Impact: A malicious app may be able to break out of its sandbox

Description: A path handling issue was addressed with improved validation.

CVE-2026-64731: Sindre Sorhus, Richard Zana

Pro Res

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A use after free issue was addressed with improved memory management.

CVE-2026-43812: Francisco Knabe

quarantine

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination or write kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-43694: Hcamael and 章鱼哥@aipy （aipyaipy.com）, JC Alvarado of Stripe, Jacob Hazak

Remote Management

Available for: macOS Tahoe

Impact: A malicious app may be able to gain root privileges

Description: A permissions issue was addressed with additional restrictions.

CVE-2026-39874: @pixiepointsec

Safari

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: An authorization issue was addressed with improved state management.

CVE-2026-43792: Ilya Andr (andrd3v)

SceneKit

Available for: macOS Tahoe

Impact: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution

Description: An integer overflow was addressed with improved input validation.

CVE-2026-64766: stratan (@5tratan)

CVE-2026-64765: stratan (@5tratan)

SceneKit

Impact: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-64764: stratan (@5tratan)

SceneKit

Available for: macOS Tahoe

Impact: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution

Description: An out-of-bounds write issue was addressed by removing the vulnerable code.

CVE-2026-64763: stratan (@5tratan)

Screen Sharing Server

Available for: macOS Tahoe

Impact: An app may be able to intercept network connections intended for another process

Description: A logic issue was addressed with improved restrictions.

CVE-2026-43779: Dave G., Asaf Cohen

Screen Sharing Server

Available for: macOS Tahoe

Impact: A remote attacker may be able to cause a denial of service

Description: This issue was addressed with improved input validation.

CVE-2026-43777: Junming C.(Chapoly1305)

Screen Sharing Server

Available for: macOS Tahoe

Impact: An app may be able to access user-sensitive data

Description: An access issue was addressed with improved access restrictions.

CVE-2026-43760: Alfredo Pesoli (@__rev) of Bynar.io, wdszzml and Atuin Automated Vulnerability Discovery Engine

Security

Available for: macOS Tahoe

Impact: An attacker may be able to modify the state of the Keychain

Description: This issue was addressed through improved state management.

CVE-2026-43728: Bob Gendler of the National Institute of Standards and Technology

SecurityAgent

Available for: macOS Tahoe

Impact: An app may be able to gain root privileges

Description: A race condition was addressed with improved state management.

CVE-2026-43755: Mickey Jin (@patch1t)

Siri

Available for: macOS Tahoe

Impact: A person with physical access to a locked device may be able to access contacts and photos

Description: This issue was addressed with additional restrictions on the lock screen.

CVE-2026-64745: Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir

Siri

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: An information disclosure issue was addressed by removing the vulnerable code.

CVE-2026-43800: Stanislav Jelezoglo

SMB

Available for: macOS Tahoe

Impact: Connecting to a malicious SMB server may lead to unexpected system termination

Description: The issue was addressed with improved memory handling.

CVE-2026-39873: Peter Malone

SMB

Available for: macOS Tahoe

Impact: A remote user may be able to cause unexpected system termination or corrupt kernel memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64696: Feng Xue and XGPT of ThreatBook, Peter Malone

SMB

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: A type confusion issue was addressed with improved memory handling.

CVE-2026-64704: Claudio Bozzato and Francesco Benvenuto of Cisco Talos, Aswin Kumar Gokulakannan, Kitten Food, Peter Malone, Calif.io in collaboration with Claude and Anthropic Research

Spotlight

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2026-43774: Csaba Fitzl (@theevilbit) of Iru

StorageKit

Available for: macOS Tahoe

Impact: An app may be able to access sensitive user data

Description: A race condition was addressed with additional validation.

CVE-2026-43770: Tien-Chih Lin of CyCraft Technology

udf

Available for: macOS Tahoe

Impact: An app may be able to cause unexpected system termination

Description: The issue was addressed with improved memory handling.

CVE-2026-43768: Hyunwoo Kim (@v4bel)

WebDAV

Available for: macOS Tahoe

Impact: An app may be able to cause a denial-of-service

Description: A use after free issue was addressed with improved memory management.

CVE-2026-64703: Bruce Dang of Calif.io in collaboration with Claude and Anthropic Research

WebDAV

Available for: macOS Tahoe

Impact: An app may be able to disclose kernel memory

Description: A memory initialization issue was addressed with improved memory handling.

CVE-2026-64699: Bruce Dang of Calif.io

WebKit

Available for: macOS Tahoe

Impact: Processing maliciously crafted web content may result in the disclosure of process memory

Description: The issue was addressed with improved memory handling.

CVE-2026-43740: Arni Hardarson, Nathaniel Oh (@calysteon)

WebKit

Available for: macOS Tahoe

Impact: Websites may know if the user has visited a given link

Description: This issue was addressed with improved checks.

CVE-2026-64713: Kwak Kiyong, Song Nuri

WebKit

Available for: macOS Tahoe

Impact: Visiting a website that frames malicious content may lead to UI spoofing

Description: The issue was addressed with improved UI.

CVE-2026-64730: Kagami Rosylight of Mozilla

WebKit

Available for: macOS Tahoe

Impact: Maliciously crafted web content may violate iframe sandboxing policy

Description: A permissions issue was addressed with improved validation.

CVE-2026-64728: an anonymous researcher

WebKit

Available for: macOS Tahoe

Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash

Description: A use-after-free issue was addressed with improved memory management.

CVE-2026-64783: 杉山 壮太, lattice, Behzad Najjarpour Jabbari (@_G4ru_), Junyeong Lee, Mooth.ai, OGINOME Tomohito, Using GLM From Z.AI, Gia Bui (@yabeow) from Calif.io

WebKit

Available for: macOS Tahoe

Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash

Description: A memory corruption issue was addressed with improved state management.

CVE-2026-64757: Milad Nasr and Nicholas Carlini with Claude, Anthropic

WebKit

Available for: macOS Tahoe

Impact: Visiting a website may lead to an app denial-of-service

Description: This issue was addressed through improved state management.

CVE-2026-43804: Heiko Kiesel of SEEMOO, TU Darmstadt

WebKit

Available for: macOS Tahoe

Impact: An app may be able to read files outside of its sandbox

Description: An access issue was addressed with improved access restrictions.

CVE-2026-43821: Brian Carpenter

WebKit Canvas

Available for: macOS Tahoe

Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash

Description: A use-after-free issue was addressed with improved memory management.

CVE-2026-64718: OGINOME Tomohito, an anonymous researcher

WebRTC

Available for: macOS Tahoe

Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash

Description: An out-of-bounds access issue was addressed with improved bounds checking.

CVE-2026-64719: Shaheen Fazim

Wi-Fi

Available for: macOS Tahoe

Impact: An attacker in physical proximity may be able to corrupt process memory

Description: The issue was addressed with improved memory handling.

CVE-2026-64726: Mathis Mansière, Peter Malone

Wi‑Fi

Available for: macOS Tahoe

Impact: An app may be able to execute arbitrary code out of its sandbox or with certain elevated privileges

Description: A buffer overflow was addressed with improved bounds checking.

CVE-2026-43750: an anonymous researcher

xar

Available for: macOS Tahoe

Impact: An app may be able to cause a denial of service

Description: A logic issue existed resulting in memory corruption. This was addressed with improved state management.

CVE-2026-28932: Mathis Mansière

Additional recognition

Audio

We would like to acknowledge Niels Hofmans for their assistance.

copyfile

We would like to acknowledge Keisuke Hosoda for their assistance.

CoreAnalytics

We would like to acknowledge Alan Banderas (@creeper4004) for their assistance.

CoreMedia

We would like to acknowledge yaohway for their assistance.

dcerpc

We would like to acknowledge Surya Narayan Kushwaha for their assistance.

Disk Images

We would like to acknowledge Jordy Zomer (@pwningsystems), Phillip Groves, Richard Zana for their assistance.

DriverKit

We would like to acknowledge Niels Hofmans for their assistance.

Foundation

We would like to acknowledge Nick Cook, Sentry Flag for their assistance.

Heimdal

We would like to acknowledge Surya Narayan Kushwaha for their assistance.

IOStorageFamily

We would like to acknowledge Aswin Kumar Gokula Kannan, Surya Narayan Kushwaha, Yatin Taneja for their assistance.

Kernel

We would like to acknowledge Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Chris Betz, Hiroki Imai (LAC Co., Ltd.), James Duffy ( @0x4A616D657344 ), Mathis Mansière, Tristan Rousseau, Vladislav Shevchenko (Positive Technologies), Yeojin Kim, YingMuo (@YingMuo) of DEVCORE Research Team for their assistance.

PluginKit

We would like to acknowledge Asaf Cohen, Ashish Kunwar for their assistance.

Printing UIKit

We would like to acknowledge Jacolon Walker ( @call_eax ) for their assistance.

RemoteServiceDiscovery

We would like to acknowledge Maliq Barnard, Tommy DeVoss from Braze Security Team (@thedawgyg), Willard Jansen for their assistance.

ReplayKit

We would like to acknowledge an anonymous researcher for their assistance.

Safari Downloads

We would like to acknowledge Alfaz Hossain for their assistance.

Screen Sharing Server

We would like to acknowledge Ayaan Ahmad, XlabAI Team of Tencent Xuanwu Lab, Atuin Automated Vulnerability Discovery Engine, Guannan Wang, Zhanpeng Liu, Jiashuo Liang, Guancheng Li for their assistance.

Security

We would like to acknowledge John Lussier, Oleh Konko of 1seal (1seal.org), alick for their assistance.

Spotlight

We would like to acknowledge Ilya Andr (andrd3v) and nkhmelni for their assistance.

System Settings

We would like to acknowledge Masaki Moriguchi, Omar Cerrito for their assistance.

Time Machine

We would like to acknowledge Andreas Jaegersberger & Ro Achterberg of Nosebeard Labs for their assistance.

WebKit

We would like to acknowledge Jaya Surya Kommireddy, Jaya surya Kommireddy, Lukas Knittel (@kunte_ctf) of Ruhr-University Bochum, Nikos Fanourakis of Technical University of Crete, Sotiris Ioannidis of Technical University of Crete, Panagiotis Ilia of Cyprus University of Technology, and Kostas Drakonakis of Technical University of Crete, Tony Gorez (@tonygo_) for Reverse Society, Vitaly Simonovich, Youngjoon Kim of Team-Atlanta & sslab at Georgia Tech, s3zer0 for their assistance.

WebKit Canvas

We would like to acknowledge Codex Security - Khai Tran, Daisuke Hatakeyama and Ryohei Ueki (@SYZD Research), David Bors at Snyk Security Labs, Giovanni Vignone and Robert van Eijk of Octane Security (octane.security), Kwak Kiyong, Song nuri, Luat Nguyen (CyberJutsu Academy), Tom Van Goethem, an anonymous researcher, dr3dd for their assistance.

WebKit Storage

We would like to acknowledge Gurpreet Shergill, Luke Francis, Milad Nasr and Nicholas Carlini with Claude, Anthropic, Oleh Konko of 1seal (1seal.org), Vitaly Simonovich for their assistance.

xar

We would like to acknowledge Anurag Bohra of Microsoft, Cem Onat Karagun, Feng Xue and XGPT of ThreatBook, Kubilay Berk ALKAN, s3zer0 for their assistance.

XprotectFramework

We would like to acknowledge Ferdous Saljooki (@malwarezoo) of Jamf for their assistance.