Improper input validation in macOS - CVE-2026-64694

 

Improper input validation in macOS - CVE-2026-64694

Published: August 17, 2026


Vulnerability identifier: #VU143677
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64694
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation in Disk Images. A local application can cause unexpected system termination.


Affected software

macOS

How to mitigate CVE-2026-64694

Install update from vendor's website.

macOS - addressed in versions 26.6 25G72, 14.8.8 23J620, 15.7.8 24G824

External References

Related Security Bulletins