Buffer overflow in Microsoft Office Word 2000 SP3, 2002 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a Word document with a malformed record that triggers memory corruption, aka "Word Buffer Overflow Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-027
http://securityreason.com/securityalert/8206
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6334
http://www.securitytracker.com/id?1022356