Microsoft Word 2002 SP3 and 2003 SP3, Office 2004 for Mac, and Word Viewer do not properly handle a malformed record during parsing of a Word document, which allows remote attackers to execute arbitrary code via a crafted document that triggers memory corruption, aka "Word Parsing Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7032
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-079