CVE-2005-0050: Microsoft Windows 2000

High severity, CVSS 10.0. EPSS: 46.7% chance of exploitation in the next 30 days.

The License Logging service for Windows NT Server, Windows 2000 Server, and Windows Server 2003 does not properly validate the length of messages, which leads to an "unchecked buffer" and allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code, aka the "License Logging Service Vulnerability."

Affected products

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

Published 2005-05-02. Last modified 2026-06-16.