Apple macOS
CriticalOSCVE-2026-65400
Actively exploited. Listed in CISA’s Known Exploited Vulnerabilities catalog: exploitation is observed, not theoretical.
What to do
Check the vendor advisory for the fixed version. This flaw is being actively exploited: patch now.
An authentication bypass flaw affects Apple macOS. Apply the vendor’s patch. It is being actively exploited: patch now.
What the flaw allows: Restricted access can be obtained without valid credentials.
- Ecosystem
- Operating system
- Class
- Authentication bypass
- Published on
- August 18, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.