CVE-2009-4311: Microsoft Windows 2000

High severity, CVSS 9.3. EPSS: 21.9% chance of exploitation in the next 30 days.

Unspecified vulnerability in the Indeo codec in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 allows remote attackers to execute arbitrary code via crafted media content, as reported to Microsoft by Paul Byrne of NGS Software. NOTE: this might overlap CVE-2008-3615.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: any version
• Microsoft Windows XP: any version; affected versions not specified

Published 2009-12-13. Last modified 2026-06-16.