The Direct2D implementation in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a large 2D geometric figure that is encountered with Internet Explorer, aka "Microsoft Graphics Component Memory Corruption Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-007
http://www.securitytracker.com/id/1029743