CVE-2005-0063: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 47.6% chance of exploitation in the next 30 days.

The document processing application used by the Windows Shell in Microsoft Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by modifying the CLSID stored in a file so that it is processed by HTML Application Host (MSHTA), as demonstrated using a Microsoft Word document.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version enterprise only; version r2 only; version standard only; version web only
• Microsoft Windows 98: any version
• Microsoft Windows 98se: any version
• Microsoft Windows Me: any version
• Microsoft Windows XP: any version

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