CVE-2026-20617

HIGH

Apple watchOS <26.3 - Privilege Escalation

Title source: llm

Description

A race condition was addressed with improved state handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to gain root privileges.

References (6)

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126346

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126348

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126350

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126351

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126352

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126353

Scores

CVSS v3 7.0

EPSS 0.0001

EPSS Percentile 1.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-362

Status published

Affected Products (6)

apple/ipados < 26.3

apple/iphone_os < 26.3

apple/macos < 14.8.4

apple/tvos < 26.3

apple/visionos < 26.3

apple/watchos < 26.3

Timeline

Published Feb 11, 2026

Tracked Since Feb 18, 2026