Main Vulnerability Database Vulnerabilities #VU122687

Improper access control in macOS - CVE-2026-20667

Published: February 11, 2026

Vulnerability identifier: #VU122687

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-20667

CWE-ID: CWE-284

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to improper access restrictions in libxpc. A local application can break out of its sandbox.

Affected software

macOS
watchOS
iPadOS
Apple iOS

How to mitigate CVE-2026-20667

Install update from vendor's website.

macOS - addressed in versions 26.3 25D125, 14.8.4 23J319, 15.7.4 24G517
watchOS - update to 26.3 23S620
iPadOS - update to 26.3 23D127
Apple iOS - update to 26.3 23D127

External References

https://support.apple.com/en-us/126348

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