The Windows font library in Microsoft Office 2010 SP2, Word 2010 SP2, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps 2010 SP2 allows remote attackers to execute arbitrary code via a crafted embedded font, aka "Microsoft Office Graphics RCE Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-054