Stack-based buffer overflow in Microsoft Word 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; Word Viewer; Office Web Apps; and Word Web App allows remote attackers to execute arbitrary code via a crafted Word document, aka "Word Stack Overflow Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7322
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-079
http://www.us-cert.gov/cas/techalerts/TA10-285A.html
http://www.securityfocus.com/archive/1/514302/100/0/threaded