Race condition in macOS - CVE-2026-20677

 

Race condition in macOS - CVE-2026-20677

Published: February 11, 2026


Vulnerability identifier: #VU122712
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20677
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a local user to bypass implemented security restrictions. 

The vulnerability exists due to a race condition in Messages when handling symbolic links in shortcuts. A local user can bypass sandbox restrictions. 


How to mitigate CVE-2026-20677

Install updates from vendor's website.

Sources