CVE-2015-1671

The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2; Office 2007 SP3 and 2010 SP2; Live Meeting 2007 Console; Lync 2010; Lync 2010 Attendee; Lync 2013 SP1; Lync Basic 2013 SP1; Silverlight 5 before 5.1.40416.00; and Silverlight 5 Developer Runtime before 5.1.40416.00, allows remote attackers to execute arbitrary code via a crafted TrueType font, aka "TrueType Font Parsing Vulnerability."

Score

CVSS 3.1 7.8 High

Status

Analyzed - secure@microsoft.com

Published

2015-05-13

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2022-05-25, action due 2022-06-15: Apply updates per vendor instructions.

Affected products

• .net Framework (Microsoft)
• Live Meeting (Microsoft)
• Lync (Microsoft)
• Silverlight (Microsoft)

References

• http://www.securityfocus.com/bid/74490
• http://www.securitytracker.com/id/1032281
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1671