About the security content of iOS 26.3 and iPadOS 26.3

This document describes the security content of iOS 26.3 and iPadOS 26.3.

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.

iOS 26.3 and iPadOS 26.3

Accessibility

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

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

CVE-2026-20645: Wong Wee Xiang and Loh Boon Keat

Accessibility

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

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

CVE-2026-20674: Jacob Prezant (prezant.us)

AppleKeyStore

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

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

CVE-2026-20637: Johnny Franks (zeroxjf), an anonymous researcher

Bluetooth

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Bluetooth packets

Description: A denial-of-service issue was addressed with improved validation.

CVE-2026-20650: jioundai

Call History

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A user with Live Caller ID app extensions turned off could have identifying information leaked to the extensions

Description: A logic issue was addressed with improved checks.

CVE-2026-20638: Nils Hanff (@nils1729@chaos.social) of Hasso Plattner Institute

CFNetwork

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A remote user may be able to write arbitrary files

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

CVE-2026-20660: Amy (amys.website)

Contacts

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: This issue was addressed with improved input validation.

CVE-2026-20686: Atul Kishor Jaiswal

CoreAudio

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory

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

CVE-2026-20611: Anonymous working with Trend Micro Zero Day Initiative

CoreMedia

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents

Description: The issue was addressed with improved memory handling.

CVE-2026-20609: Yiğit Can YILMAZ (@yilmazcanyigit)

CoreServices

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to gain root privileges

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

CVE-2026-20617: Golden Helm Securities, Gergely Kalman (@gergely_kalman), Csaba Fitzl (@theevilbit) of Iru

CoreServices

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to gain root privileges

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

CVE-2026-20615: Csaba Fitzl (@theevilbit) of Iru and Gergely Kalman (@gergely_kalman)

CoreServices

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

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

CVE-2026-20627: an anonymous researcher

dyld

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

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

CVE-2026-20700: Google Threat Analysis Group

Focus

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: A logging issue was addressed with improved data redaction.

CVE-2026-20668: Kirin (@Pwnrin)

Game Center

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A user may be able to view sensitive user information

Description: A logging issue was addressed with improved data redaction.

CVE-2026-20649: Asaf Cohen

ImageIO

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: Processing a maliciously crafted image may lead to disclosure of user information

Description: The issue was addressed with improved bounds checks.

CVE-2026-20675: George Karchemsky (@gkarchemsky) working with Trend Micro Zero Day Initiative

ImageIO

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: The issue was addressed with improved memory handling.

CVE-2026-20634: George Karchemsky (@gkarchemsky) working with Trend Micro Zero Day Initiative

Kernel

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: The issue was addressed with improved memory handling.

CVE-2026-20654: Jian Lee (@speedyfriend433)

Kernel

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: This issue was addressed with improved checks.

CVE-2026-20626: Keisuke Hosoda

Kernel

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An attacker in a privileged network position may be able to intercept network traffic

Description: A logic issue was addressed with improved checks.

CVE-2026-20671: Xin'an Zhou, Juefei Pu, Zhutian Liu, Zhiyun Qian, Zhaowei Tan, Srikanth V. Krishnamurthy, Mathy Vanhoef

LaunchServices

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to enumerate a user's installed apps

Description: The issue was resolved by sanitizing logging.

CVE-2026-20663: Zhongcheng Li from IES Red Team

libexpat

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: Processing a maliciously crafted file may lead to 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-2025-59375

libxpc

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: A logic issue was addressed with improved checks.

CVE-2026-20667: an anonymous researcher

Live Captions

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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-2026-20655: Richard Hyunho Im (@richeeta) at Route Zero Security (routezero.security)

Messages

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A shortcut may be able to bypass sandbox restrictions

Description: A race condition was addressed with improved handling of symbolic links.

CVE-2026-20677: Ron Masas of BreakPoint.SH

MigrationKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

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

CVE-2026-20694: Rodolphe Brunetti (@eisw0lf) of Lupus Nova

Photos

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A person with physical access to an iOS device may be able to access photos from the lock screen

Description: An input validation issue was addressed.

CVE-2026-20642: Dalibor Milanovic

Sandbox

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: A permissions issue was addressed with additional restrictions.

CVE-2026-20628: Noah Gregory (wts.dev)

Sandbox Profiles

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

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

CVE-2026-20678: Óscar García Pérez, Stanislav Jelezoglo

Screen Time

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: A permissions issue was addressed with additional restrictions.

CVE-2026-28855: Kirin (@Pwnrin)

Screenshots

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An attacker may be able to discover a user’s deleted notes

Description: A logic issue was addressed with improved state management.

CVE-2026-20682: Viktor Lord Härringtón

Shortcuts

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

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

CVE-2026-20653: Enis Maholli (enismaholli.com)

Spotlight

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A sandboxed app may be able to access sensitive user data

Description: The issue was addressed with additional restrictions on the observability of app states.

CVE-2026-20680: an anonymous researcher

StoreKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to identify what other apps a user has installed

Description: A privacy issue was addressed with improved checks.

CVE-2026-20641: Gongyu Ma (@Mezone0)

UIKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to bypass certain Privacy preferences

Description: This issue was addressed by removing the vulnerable code.

CVE-2026-20606: LeminLimez

UIKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An attacker with physical access to iPhone may be able to take and view screenshots of sensitive data from the iPhone during iPhone Mirroring with Mac

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

CVE-2026-20640: Jacob Prezant (prezant.us)

VoiceOver

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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-2026-20661: Dalibor Milanovic

WebKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: The issue was addressed with improved memory handling.

CVE-2026-20652: Nathaniel Oh (@calysteon)

WebKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: This issue was addressed through improved state management.

CVE-2026-20608: HanQing from TSDubhe and Nan Wang (@eternalsakura13)

WebKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A website may be able to track users through Safari web extensions

Description: This issue was addressed through improved state management.

CVE-2026-20676: Tom Van Goethem

WebKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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

Description: The issue was addressed with improved memory handling.

CVE-2026-20644: HanQing from TSDubhe and Nan Wang (@eternalsakura13)

CVE-2026-20636: EntryHi

CVE-2026-20635: EntryHi

Wi-Fi

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

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-2026-20621: Wang Yu of Cyberserval

Additional recognition

Accessibility

We would like to acknowledge Himanshu Bharti (@Xpl0itme) from Khatima for their assistance.

Bluetooth

We would like to acknowledge Tommaso Sacchetti for their assistance.

Kernel

We would like to acknowledge Joseph Ravichandran (@0xjprx) of MIT CSAIL, Xinru Chi of Pangu Lab for their assistance.

libpthread

We would like to acknowledge Fabiano Anemone for their assistance.

Managed Configuration

We would like to acknowledge kado for their assistance.

NetworkExtension

We would like to acknowledge Gongyu Ma (@Mezone0) for their assistance.

Notes

We would like to acknowledge Kirin (@Pwnrin) for their assistance.

Shortcuts

We would like to acknowledge Robert Reichel for their assistance.

Transparency

We would like to acknowledge Wojciech Regula of SecuRing (wojciechregula.blog) for their assistance.

Wallet

We would like to acknowledge Aaron Schlitt (@aaron_sfn) of Hasso Plattner Institute, Cybersecurity - Mobile & Wireless, Jacob Prezant (prezant.us), Lorenzo Santina (@BigNerd95) and Marco Bartoli (@wsxarcher) for their assistance.

WebKit

We would like to acknowledge David Wood, EntryHi, Luigino Camastra of Aisle Research, Stanislav Fort of Aisle Research, Roman Belovitskiy, Vsevolod Kokorin (Slonser) of Solidlab and Jorian Woltjer for their assistance.

Widgets

We would like to acknowledge Marcel Voß, Serok Çelik, Mitul Pranjay for their assistance.