CVE-2010-0020: Microsoft Windows 2000

High severity, CVSS 9.0. EPSS: 32.6% chance of exploitation in the next 30 days.

The SMB implementation in the Server service in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate request fields, which allows remote authenticated users to execute arbitrary code via a malformed request, aka "SMB Pathname Overflow Vulnerability."

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: any version; affected versions not specified
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows Server 2008: any version; affected versions not specified
• Microsoft Windows Vista: any version
• Microsoft Windows XP: any version; affected versions not specified

Published 2010-02-10. Last modified 2026-06-16.