Improper privilege management in macOS - CVE-2026-28891
Published: March 25, 2026
Vulnerability identifier: #VU124394
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-28891
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
macOS
macOS
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper authorization in NetAuth when handling local application requests. A local user can exploit this to escalate privileges on the system.
Exploitation requires local access and the ability to execute a local application.
How to mitigate CVE-2026-28891
Install update from vendor's website.