Improper access control in macOS - CVE-2026-20701
Published: March 25, 2026
Vulnerability identifier: #VU124393
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20701
CWE-ID: CWE-284
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 and execute arbitrary code.
The vulnerability exists due to improper access control in NetAuth when handling authentication requests. A local user can exploit this to escalate privileges and execute arbitrary code.
Exploitation requires local access and user-level privileges.
How to mitigate CVE-2026-20701
Install update from vendor's website.