watchOS 27.2 Security Update

What watchOS 27.2 Fixes

watchOS 27.2, released October 26, 2026, fixes 62 vulnerabilities in 31 parts of the system, according to Apple's security advisory.

Apple does not say that any of them were exploited before the fix. That makes watchOS 27.2 a routine security update: worth installing soon, not an emergency.

It is the newest security release for watchOS 27 on Apple's list.

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

Which Devices Get watchOS 27.2

Apple lists watchOS 27.2 for: Apple Watch Series 9 and later.

The watchOS 27.2 release page has its build numbers and release history.

How to Install watchOS 27.2

Open the Watch app on the paired iPhone, then General → Software Update. The watch needs to be on its charger and within range of the iPhone.

Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past watchOS 27.2 there is nothing to do.

Every Fix in watchOS 27.2

All 62 CVEs in Apple's advisory, 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.

• WebKit

  Processing maliciously crafted web content may lead to arbitrary code execution

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

  CVE-2026-112697 CVE-2026-112655

• WebKit Canvas

  Processing maliciously crafted web content may lead to arbitrary code execution

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

  CVE-2026-112637

• WebKit JavaScript Bindings

  Processing maliciously crafted web content may lead to arbitrary code execution

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

  CVE-2026-112626

• AVEVideoEncoder

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

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

  CVE-2026-112470

• AVEVideoEncoder

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

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

  CVE-2026-112466

• Compression

  An app may be able to disclose kernel memory

  A memory initialization issue was addressed with improved memory handling.

  CVE-2026-113910

• Heimdal

  An attacker in a privileged network position may be able to impersonate a Kerberos KDC

  An issue with signature validation was addressed with improved checks.

  CVE-2026-112518

• IOHIDFamily

  An attacker may be able to cause unexpected system termination or read kernel memory

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

  CVE-2026-112515

• IOMobileFrameBuffer

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

  A race condition was addressed with improved state handling.

  CVE-2026-112459

• IOSurface

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

  A race condition was addressed with improved locking.

  CVE-2026-112477

• Kernel

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

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

  CVE-2026-65350 CVE-2026-112679

• Kernel

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

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

  CVE-2026-112517

• Kernel

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

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

  CVE-2026-112514

• Kernel

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

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

  CVE-2026-84495 CVE-2026-112474

• Kernel

  An app may be able to determine kernel memory layout

  An information disclosure issue was addressed with improved state management.

  CVE-2026-112665

• Spotlight

  An app may be able to gain elevated privileges

  A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks.

  CVE-2022-26704

• Accounts

  A malicious application may be able to bypass Privacy preferences

  A logging issue was addressed with improved data redaction.

  CVE-2026-113898

• Accounts

  An app may be able to access sensitive user data

  This issue was addressed with additional entitlement checks.

  CVE-2026-112446

• App Intents

  An app may be able to access sensitive user data

  This issue was addressed with additional entitlement checks.

  CVE-2026-112692

• Calendar

  An app may be able to access sensitive user data

  A permissions issue was addressed with additional restrictions.

  CVE-2026-112678

• CoreMedia

  An app may be able to access sensitive user data

  A permissions issue was addressed with additional restrictions.

  CVE-2026-112706

• FontParser

  An app may be able to access sensitive user data

  A logging issue was addressed with improved data redaction.

  CVE-2026-112432

• MediaAnalysis

  An app may be able to access sensitive user data

  A race condition was addressed with additional validation.

  CVE-2026-113915

• Shortcuts

  An app may be able to access sensitive user data

  An authorization issue was addressed with improved state management.

  CVE-2026-112559 CVE-2026-112455

• Siri

  An app may be able to access sensitive user data

  An authorization issue was addressed with improved state management.

  CVE-2026-112685

• Spotlight

  A malicious application may be able to bypass Privacy preferences

  This issue was addressed with improved checks.

  CVE-2026-112567

• AppleAVD

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

  The issue was addressed with improved memory handling.

  CVE-2026-112454

• Audio

  Processing a maliciously crafted file may lead to unexpected app termination

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

  CVE-2026-112546

• Bluetooth

  An attacker in physical proximity may be able to cause a denial-of-service

  A null pointer dereference was addressed with improved validation.

  CVE-2026-112566

• Calendar

  Processing a maliciously crafted calendar invitation may lead to memory corruption

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

  CVE-2026-112619

• CoreAudio

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

  A buffer overflow issue was addressed with improved memory handling.

  CVE-2026-113907

• CoreAudio

  Processing a maliciously crafted audio file may lead to memory corruption

  A buffer overflow was addressed with improved size validation.

  CVE-2026-86972

• CoreAudio

  An attacker in radio range may be able to cause unexpected system termination

  A heap buffer overflow was addressed with improved bounds checking.

  CVE-2026-112638

• CoreGraphics

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

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

  CVE-2026-113950

• CoreMedia

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

  The issue was addressed with improved memory handling.

  CVE-2026-86992

• HomeKit

  Processing a maliciously crafted video file may lead to unexpected system termination

  An integer overflow was addressed with improved bounds checking.

  CVE-2026-112596

• IOKit

  A buffer overflow may result in memory corruption and unexpected app termination

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

  CVE-2026-65385

• Kernel

  An app may be able to cause unexpected changes to copy-on-write memory

  A memory integrity issue was addressed with improved handling of copy-on-write pages.

  CVE-2026-112576

• Kernel

  An app may be able to cause unexpected system termination

  A type confusion issue was addressed with improved memory handling.

  CVE-2026-112606

• Kernel

  An app may be able to cause unexpected system termination

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

  CVE-2026-112516

• Kernel

  An app may be able to cause unexpected system termination

  A race condition was addressed with improved state handling.

  CVE-2026-112501

• Kernel

  An app may be able to cause unexpected system termination

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

  CVE-2026-112476

• Messages

  A remote attacker may be able to cause unexpected app termination

  An input validation issue was addressed with improved input validation.

  CVE-2026-112682

• SwiftUI

  An app may be able to cause unexpected system termination

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

  CVE-2026-112691

• WebKit

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

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

  CVE-2026-113904 CVE-2026-112599

• WebKit

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

  A race condition was addressed with improved locking.

  CVE-2026-112686

• WebKit

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

  This issue was addressed through improved state management.

  CVE-2026-112684

• WebKit

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

  A race condition was addressed with improved state handling.

  CVE-2026-112669

• WebKit

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

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

  CVE-2026-112666 CVE-2026-112615

• WebKit

  Processing maliciously crafted web content may lead to memory corruption

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

  CVE-2026-112640

• ColorSync

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

  The issue was addressed with improved checks.

  CVE-2026-86988

• CoreText

  Processing a maliciously crafted font may result in the disclosure of process memory

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

  CVE-2026-112656

• FontParser

  Processing a maliciously crafted font may result in the disclosure of process memory

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

  CVE-2026-86970

• ImageIO

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

  A memory initialization issue was addressed with improved memory handling.

  CVE-2026-112571

• ImageIO

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

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

  CVE-2026-112561 CVE-2026-112560

watchOS 27 Security Release History

watchOS 27.2 in context: the security releases Apple has published for watchOS 27, newest first, with the number of fixes each carried.

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