CVE-2025-53809

Improper input validation in Windows Local Security Authority Subsystem Service LSASS allows an authorized attacker to deny service over a network...

CVE-2025-53809 Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

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CVE-2025-53809

CVE-2025-53809 affects Windows Local Security Authority Subsystem Service (LSASS). The issue is an improper input validation in LSASS that enables an authenticated attacker to trigger a network-based Denial of Service. Public exploitation is listed by threat intel sources. The fix is included in ...