Improper access control in macOS - CVE-2026-28976

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Main Vulnerability Database Vulnerabilities #VU131065

Improper access control in macOS - CVE-2026-28976

Published: May 12, 2026


Vulnerability identifier: #VU131065
CSH Severity: Low
CVSS v4.0: 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
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability 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.


How to mitigate CVE-2026-28976

Install update from vendor's website.

Sources