Unspecified vulnerability in Microsoft Excel 2003 SP2 allows remote attackers to have an unknown impact via unspecified vectors, possibly related to the sheet name, as demonstrated by 2670.xls.
https://www.exploit-db.com/exploits/4121
https://exchange.xforce.ibmcloud.com/vulnerabilities/35132
http://www.securitytracker.com/id?1018321
http://www.securityfocus.com/bid/24691
http://pstgroup.blogspot.com/2007/06/exploitmicrosoft-excel-20002003-sheet.html