Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, and Office for Mac 2011 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."
https://www.exploit-db.com/exploits/37910/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-081