CVE-2003-0661: Microsoft Windows 2000

Medium severity, CVSS 5.0. EPSS: 25.2% chance of exploitation in the next 30 days.

The NetBT Name Service (NBNS) for NetBIOS in Windows NT 4.0, 2000, XP, and Server 2003 may include random memory in a response to a NBNS query, which could allow remote attackers to obtain sensitive information.

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 Nt: version 4.0 only
• Microsoft Windows XP: any version

Published 2003-10-20. Last modified 2026-06-16.