Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word for Mac 2011, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps 2010 SP2 allow remote attackers to obtain sensitive information from out-of-bound memory via a crafted Office document, aka "Microsoft Office Information Disclosure Vulnerability."
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0105