Improper input validation in macOS - CVE-2026-64691
Published: August 17, 2026
Vulnerability identifier: #VU143685
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64691
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in GPU Drivers when processing input from a local application. A local user can send crafted input to cause a denial of service.
Affected software
macOS
How to mitigate CVE-2026-64691
Install update from vendor's website.
macOS - update to 26.6 25G72