Memory corruption in macOS - CVE-2025-43402
Published: November 4, 2025
Vulnerability identifier: #VU118042
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-2025-43402
CWE-ID: CWE-119
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 a boundary error in WindowServer. A local application can cause unexpected system termination or corrupt process memory.
Affected software
macOS
How to mitigate CVE-2025-43402
Install update from vendor's website.
macOS - addressed in versions 26.1 25B78, 14.8.4 23J319, 15.7.4 24G517