CVE-2004-0894: Microsoft Windows 2000

High severity, CVSS 7.2. EPSS: 3.4% chance of exploitation in the next 30 days.

LSASS (Local Security Authority Subsystem Service) of Windows 2000 Server and Windows Server 2003 does not properly validate connection information, which allows local users to gain privileges via a specially-designed program.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version datacenter_64-bit only; version enterprise only; version enterprise_64-bit only; version r2 only; version standard only; version web only
• Microsoft Windows XP: any version

Published 2005-01-10. Last modified 2026-06-16.