About the security content of visionOS 26.3

This document describes the security content of visionOS 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.

visionOS 26.3

AppleMobileFileIntegrity

Available for: Apple Vision Pro (all models)

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-2026-20625: Mickey Jin (@patch1t), Ryan Dowd (@_rdowd)

Bluetooth

Available for: Apple Vision Pro (all models)

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

CFNetwork

Available for: Apple Vision Pro (all models)

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)

CoreAudio

Available for: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

Impact: An app may be able to gain root privileges

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

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

CoreServices

Available for: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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

ImageIO

Available for: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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

libexpat

Available for: Apple Vision Pro (all models)

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

Messages

Available for: Apple Vision Pro (all models)

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

Model I/O

Available for: Apple Vision Pro (all models)

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

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

CVE-2026-20616: Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative

Sandbox

Available for: Apple Vision Pro (all models)

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)

Shortcuts

Available for: Apple Vision Pro (all models)

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)

StoreKit

Available for: Apple Vision Pro (all models)

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)

WebKit

Available for: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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: Apple Vision Pro (all models)

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

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.

NetworkExtension

We would like to acknowledge Gongyu Ma (@Mezone0) 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 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, Vsevolod Kokorin (Slonser) of Solidlab and Jorian Woltjer for their assistance.