CVE-2003-0469: Microsoft Windows 2000

High severity, CVSS 7.5. EPSS: 44.6% chance of exploitation in the next 30 days.

Buffer overflow in the HTML Converter (HTML32.cnv) on various Windows operating systems allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via cut-and-paste operation, as demonstrated in Internet Explorer 5.0 using a long "align" argument in an HR tag.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version 64-bit only; version r2 only
• 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 2003-08-07. Last modified 2026-06-16.