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, and Windows RT Gold and 8.1 allow remote attackers to execute arbitrary code via a crafted OLE object, as exploited in the wild in October 2014 with a crafted PowerPoint document.
https://technet.microsoft.com/library/security/3010060
https://exchange.xforce.ibmcloud.com/vulnerabilities/97714
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-064