Microsoft Excel 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Office 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Office for Mac 2011; Excel Viewer; Office Compatibility Pack SP3; and Excel Services and Word Automation Services in SharePoint Server 2013 allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Excel Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19132
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18901
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-085
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-084