CVE-2015-2463: Microsoft .NET Framework

High severity, CVSS 9.3. EPSS: 34.5% chance of exploitation in the next 30 days.

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT Gold and 8.1, Office 2007 SP3 and 2010 SP2, Live Meeting 2007 Console, Lync 2010, Lync 2010 Attendee, Lync 2013 SP1, Lync Basic 2013 SP1, Silverlight before 5.1.40728, and .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, and 4.6 allow remote attackers to execute arbitrary code via a crafted TrueType font, aka "TrueType Font Parsing Vulnerability," a different vulnerability than CVE-2015-2464.

Affected products

• Microsoft .NET Framework: version 3.0 only; version 4.0 only; version 4.5 only; version 4.5.1 only; version 4.5.2 only; version 4.6 only; …
• Microsoft Live Meeting: version 2007 only
• Microsoft Lync: version 2010 only; version 2013 only
• Microsoft Lync Basic: version 2013 only
• Microsoft Office: version 2007 only; version 2010 only
• Microsoft Silverlight: up to and including 5.1.40416.0
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows 8: affected versions not specified
• Microsoft Windows 8.1: affected versions not specified
• Microsoft Windows Rt: affected versions not specified
• Microsoft Windows Rt 8.1: affected versions not specified
• Microsoft Windows Server 2008: affected versions not specified; version r2 only
• Microsoft Windows Server 2012: affected versions not specified; version r2 only
• Microsoft Windows Vista: affected versions not specified

Published 2015-08-15. Last modified 2026-06-17.