· 29 CVEs

visionOS 26.3 Security Update

visionOS 26.3 fixes 29 vulnerabilities, and Apple says one may have been exploited. Every fix, in Apple's words, with what it could have allowed.

Actively exploited — update now

What visionOS 26.3 Fixes

visionOS 26.3, released February 11, 2026, fixes 29 vulnerabilities in 19 parts of the system, according to Apple's security advisory.

Apple says one of these flaws — CVE-2026-20700 — may already have been exploited. That makes visionOS 26.3 an update to install now rather than at the weekend.

It has since been superseded: the newest security release for visionOS 26 is visionOS 26.6.1, from August 17, 2026, which includes these fixes.

What an attacker could doFixes
Run code1
Elevated privileges or sandbox escape8
Private data or protections bypassed5
Crash or denial of service11
Other4

Grouped by us from the impact Apple gives for each fix; the impact lines below are Apple's own.

Exploited Before the Fix

Apple flags a fix as possibly exploited when it has a credible report that the flaw was used against real people before the patch. This one is the reason to update today.

  • dyld Exploited

    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.

    A memory corruption issue was addressed with improved state management.

    CVE-2026-20700

Which Devices Get visionOS 26.3

Apple lists visionOS 26.3 for: Apple Vision Pro (all models).

How to Install visionOS 26.3

On Apple Vision Pro, open Settings → General → Software Update.

Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past visionOS 26.3 there is nothing to do.

Every Fix in visionOS 26.3

The rest of Apple's advisory — every fix not already listed above, the most serious kinds first. Each entry is the part of the system affected, Apple's description of the impact and the fix, and the CVE ID.

  • Bluetooth

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

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

    CVE-2026-20650

  • CoreServices

    An app may be able to gain root privileges

    A race condition was addressed with improved state handling.

    CVE-2026-20617

  • CoreServices

    An app may be able to gain root privileges

    A path handling issue was addressed with improved validation.

    CVE-2026-20615

  • Kernel

    A malicious app may be able to gain root privileges

    This issue was addressed with improved checks.

    CVE-2026-20626

  • Kernel

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

    A logic issue was addressed with improved checks.

    CVE-2026-20671

  • Messages

    A shortcut may be able to bypass sandbox restrictions

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

    CVE-2026-20677

  • Sandbox

    An app may be able to break out of its sandbox

    A permissions issue was addressed with additional restrictions.

    CVE-2026-20628

  • Wi-Fi

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

    The issue was addressed with improved memory handling.

    CVE-2026-20621

  • AppleMobileFileIntegrity

    An app may be able to access sensitive user data

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

    CVE-2026-20625

  • CoreServices

    An app may be able to access sensitive user data

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

    CVE-2026-20627

  • Focus

    An app may be able to access sensitive user data

    A logging issue was addressed with improved data redaction.

    CVE-2026-20668

  • Shortcuts

    An app may be able to access sensitive user data

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

    CVE-2026-20653

  • WebKit

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

    This issue was addressed through improved state management.

    CVE-2026-20676

  • AppleKeyStore

    An app may be able to cause unexpected system termination

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

    CVE-2026-20637

  • CoreAudio

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

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

    CVE-2026-20611

  • CoreMedia

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

    The issue was addressed with improved memory handling.

    CVE-2026-20609

  • Kernel

    An app may be able to cause unexpected system termination

    The issue was addressed with improved memory handling.

    CVE-2026-20654

  • libexpat

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

    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

  • Model I/O

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

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

    CVE-2026-20616

  • WebKit

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

    The issue was addressed with improved memory handling.

    CVE-2026-20652

  • WebKit

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

    This issue was addressed through improved state management.

    CVE-2026-20608

  • WebKit

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

    The issue was addressed with improved memory handling.

    CVE-2026-20644 CVE-2026-20636 CVE-2026-20635

  • CFNetwork

    A remote user may be able to write arbitrary files

    A path handling issue was addressed with improved logic.

    CVE-2026-20660

  • ImageIO

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

    The issue was addressed with improved bounds checks.

    CVE-2026-20675

  • ImageIO

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

    The issue was addressed with improved memory handling.

    CVE-2026-20634

  • StoreKit

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

    A privacy issue was addressed with improved checks.

    CVE-2026-20641

visionOS 26 Security Release History

visionOS 26.3 in context: the security releases Apple has published for visionOS 26, newest first, with the number of fixes each carried.

ReleaseReleasedFixes
visionOS 26.6.1August 17, 20262
visionOS 26.6July 27, 2026104
visionOS 26.5May 11, 202651
visionOS 26.4March 24, 202632
visionOS 26.3February 11, 202629 Exploited
visionOS 26.2December 12, 202529 Exploited
visionOS 26.1November 3, 202546
visionOS 26.0.1September 29, 20251
visionOS 26September 15, 202523

The Same Fixes Elsewhere

Apple ships most fixes to every platform that shares the code, and to older versions still under support. These releases close at least one of the same CVEs:

Frequently Asked Questions

What does visionOS 26.3 fix?

29 security vulnerabilities in 19 parts of the system, from Apple's advisory of February 11, 2026. 1 could have let an attacker run code.

Was anything fixed in visionOS 26.3 exploited?

Yes. Apple says CVE-2026-20700 may have been exploited before the fix. Install it now.

Which devices can install visionOS 26.3?

Apple Vision Pro (all models).

Is visionOS 26.3 the latest security update?

No. visionOS 26.6.1, from August 17, 2026, is newer and includes these fixes.

Source: About the security content of visionOS 26.3, Apple. Rechecked automatically while Apple is still adding entries.

Every Apple security update