Unspecified vulnerability in Microsoft Office XP and 2003 allows remote user-assisted attackers to execute arbitrary code via a malformed Smart Tag.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A740
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-062
http://www.vupen.com/english/advisories/2006/3981
http://www.securityfocus.com/bid/20320
http://www.securityfocus.com/archive/1/449179/100/0/threaded
http://www.kb.cert.org/vuls/id/807780