Improper access control in macOS - CVE-2026-28976

 

Improper access control in macOS - CVE-2026-28976

Published: May 12, 2026


Vulnerability identifier: #VU131065
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-28976
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
macOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper access control in UserAccountUpdater when processing requests from a local application. A local user can invoke the vulnerable component from a local application to escalate privileges.


Remediation

Install update from vendor's website.

External links