CVE-2008-0116
Microsoft Excel 2000 SP3 through 2003 SP2, Viewer 2003, Compatibility Pack, and Office 2004 and 2008 for Mac allows user-assisted remote attackers to execute arbitrary code via malformed tags in rich text, aka "Excel Rich Text Validation Vulnerability."
Date published : 2008-03-11
http://www.securityfocus.com/bid/28168
http://www.securityfocus.com/archive/1/489430/100/0/threaded