CVE-2010-0021: Microsoft Windows 2000

Medium severity, CVSS 5.9. EPSS: 13.4% chance of exploitation in the next 30 days.

Multiple race conditions in the SMB implementation in the Server service in Microsoft Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allow remote attackers to cause a denial of service (system hang) via a crafted (1) SMBv1 or (2) SMBv2 Negotiate packet, aka "SMB Memory Corruption 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.