CVE-2013-3128: Microsoft .NET Framework

High severity, CVSS 9.3. EPSS: 50.4% chance of exploitation in the next 30 days.

The kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT, and .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, and 4.5, allow remote attackers to execute arbitrary code via a crafted OpenType font (OTF) file, aka "OpenType Font Parsing Vulnerability."

Affected products

• Microsoft .NET Framework: version 3.0 only; version 3.5 only; version 3.5.1 only; version 4.0 only; version 4.5 only
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8: affected versions not specified
• Microsoft Windows Rt: affected versions not specified
• Microsoft Windows Server 2003: affected versions not specified
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified
• Microsoft Windows Vista: affected versions not specified
• Microsoft Windows XP: affected versions not specified

Published 2013-10-09. Last modified 2026-06-16.