CVE-2006-1311: Microsoft Learning Essentials

High severity, CVSS 9.3. EPSS: 31.3% chance of exploitation in the next 30 days.

The RichEdit component in Microsoft Windows 2000 SP4, XP SP2, and 2003 SP1; Office 2000 SP3, XP SP3, 2003 SP2, and Office 2004 for Mac; and Learning Essentials for Microsoft Office 1.0, 1.1, and 1.5 allows user-assisted remote attackers to execute arbitrary code via a malformed OLE object in an RTF file, which triggers memory corruption.

Affected products

• Microsoft Learning Essentials: version 1.0 only; version 1.1 only; version 1.5 only
• Microsoft Office: any version; version 2000 only; version 2003 only; version xp only
• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version sp1 only
• Microsoft Windows XP: any version

Published 2007-02-13. Last modified 2026-06-16.