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macOS vulnerabilities

1 published alerts for Apple macOS.

Actively exploited (KEV)

CVE-2026-65400

Apple macOS Improper Authentication Vulnerability

Apple macOS is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-65400). Apple macOS contains an improper authentication vulnerability that could allow an attacker on the network to authenticate to Screen Sharing without valid credentials. CISA remediation due date: 2026-08-21. If you need help checking exposure, call (864) 335-9223.