Improper input validation in macOS - CVE-2026-86910

 

Improper input validation in macOS - CVE-2026-86910

Published: September 14, 2026


Vulnerability identifier: #VU149719
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86910
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to an unspecified flaw in APFS when a local application accesses filesystem data. A local user can exploit the flaw to gain access to sensitive information.


Affected software

macOS

How to mitigate CVE-2026-86910

Install update from vendor's website.

macOS - addressed in versions 26.7 25G229, 15.8 24H23

External References

Related Security Bulletins