CVE-2003-0717: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 61% chance of exploitation in the next 30 days.

The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version enterprise only; version enterprise_64-bit only; version r2 only; version standard only; version web only
• Microsoft Windows Me: any version
• Microsoft Windows Nt: version 4.0 only
• Microsoft Windows XP: any version

Published 2003-11-17. Last modified 2026-06-16.