CVE-2002-0694: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 13.7% chance of exploitation in the next 30 days.

The HTML Help facility in Microsoft Windows 98, 98 Second Edition, Millennium Edition, NT 4.0, NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP uses the Local Computer Security Zone when opening .chm files from the Temporary Internet Files folder, which allows remote attackers to execute arbitrary code via HTML mail that references or inserts a malicious .chm file containing shortcuts that can be executed, aka "Code Execution via Compiled HTML Help File."

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2000 Terminal Services: any version
• Microsoft Windows 98: any version
• Microsoft Windows 98se: any version
• Microsoft Windows Me: any version
• Microsoft Windows Nt: version 4.0 only
• Microsoft Windows XP: any version

Published 2002-10-10. Last modified 2026-06-16.