CVE-2008-4835: Microsoft Windows 2000

Critical severity, CVSS 9.8. EPSS: 44.9% chance of exploitation in the next 30 days.

SMB in the Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to execute arbitrary code via malformed values of unspecified "fields inside the SMB packets" in an NT Trans2 request, related to "insufficiently validating the buffer size," aka "SMB Validation Remote Code Execution Vulnerability."

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version
• Microsoft Windows Vista: any version
• Microsoft Windows XP: any version

Published 2009-01-14. Last modified 2026-06-16.