CVE-2017-0004: Microsoft Windows 7

High severity, CVSS 7.5. EPSS: 91.4% chance of exploitation in the next 30 days.

The Local Security Authority Subsystem Service (LSASS) in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows remote attackers to cause a denial of service (reboot) via a crafted authentication request, aka "Local Security Authority Subsystem Service Denial of Service Vulnerability."

Affected products

• Microsoft Windows 7: affected versions not specified
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Vista: affected versions not specified

Published 2017-01-10. Last modified 2026-06-17.