[KEV] CVE-2026-65400: Apple macOS Improper Authentication Vulnerability
Active exploitation (KEV)
What to do
- On CISA KEV — actively exploited. Patch immediately.
Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials.
CVE · detail
- CVE-2026-65400KEVEPSS 10%NVD ↗
Sources · 3
outlets reporting the same story — pick one to read