Buffer overflow in Microsoft Excel 2000 through 2003 allows user-assisted attackers to execute arbitrary code via a .xls file with certain crafted fields in a SELECTION record, which triggers memory corruption, aka "Malformed SELECTION record Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A379
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-037
http://www.vupen.com/english/advisories/2006/2755
http://www.securityfocus.com/bid/18885
http://www.securityfocus.com/archive/1/439914/100/0/threaded
http://www.nsfocus.com/english/homepage/research/0605.htm