CVE-2006-4688: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 75% chance of exploitation in the next 30 days.

Buffer overflow in Client Service for NetWare (CSNW) in Microsoft Windows 2000 SP4, XP SP2, and Server 2003 up to SP1 allows remote attackers to execute arbitrary code via crafted messages, aka "Client Service for NetWare Memory Corruption Vulnerability."

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version sp1 only
• Microsoft Windows XP: any version

Published 2006-11-14. Last modified 2026-06-16.