Unspecified vulnerability in Microsoft Excel 2000, 2002, 2003, 2004 for Mac, v.X for Mac, and Excel Viewer 2003 allows user-assisted attackers to execute arbitrary code via a crafted COLINFO record in an XLS file, a different vulnerability than CVE-2006-2387 and CVE-2006-3867.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A486
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-059
http://www.vupen.com/english/advisories/2006/3978
http://www.securityfocus.com/bid/20391
http://www.securityfocus.com/archive/1/449179/100/0/threaded