CVE-2009-1547: Microsoft Internet Explorer

High severity, CVSS 8.8. EPSS: 37.4% chance of exploitation in the next 30 days.

Unspecified vulnerability in Microsoft Internet Explorer 5.01 SP4, 6, 6 SP1, and 7 allows remote attackers to execute arbitrary code via a crafted data stream header that triggers memory corruption, aka "Data Stream Header Corruption Vulnerability."

Affected products

• Microsoft Internet Explorer: version 5.01 only; version 6 only; version 7 only; version 8 only
• Microsoft Windows 2000: any version
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version; affected versions not specified
• Microsoft Windows Vista: any version; affected versions not specified
• Microsoft Windows XP: any version; affected versions not specified

Published 2009-10-14. Last modified 2026-06-16.