Microsoft Office Word 2002 SP3 and 2003 SP3, and Office Word Viewer, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a malformed record in a Word file, aka "Word HTML Linked Objects Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12039
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-056