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
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.