CVE-2026-20617

HIGH

Apple watchOS <26.3 - Privilege Escalation

Title source: llm
STIX 2.1

Description

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

References (6)

Core 6
Core References
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 0.0010
EPSS Percentile 1.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-362
Status published
Products (12)
Apple/iOS and iPadOS < 26.3
apple/ipados < 26.3
apple/iphone_os < 26.3
Apple/macOS < 14.8.4
Apple/macOS < 26.3
apple/macos 14.0 - 14.8.4
apple/tvos < 26.3
Apple/tvOS < 26.3
apple/visionos < 26.3
Apple/visionOS < 26.3
... and 2 more
Published Feb 11, 2026
Tracked Since Feb 18, 2026