Improper access control in macOS - CVE-2026-28976
Published: May 12, 2026
Vulnerability identifier: #VU131065
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2026-28976
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
macOS
How to mitigate CVE-2026-28976
Install update from vendor's website.
macOS - update to 26.5 25F71