Stack-based buffer overflow in Microsoft Excel 2002 SP3, 2003 SP3, and 2007 SP2; Office 2004 for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via vectors related to an axis properties record, and improper incrementing of an array index, aka "Excel Array Indexing Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12439
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021
http://zerodayinitiative.com/advisories/ZDI-11-042/
http://www.vupen.com/english/advisories/2011/0940
http://www.us-cert.gov/cas/techalerts/TA11-102A.html
http://www.securitytracker.com/id?1025337
http://securityreason.com/securityalert/8231
http://secunia.com/advisories/43232
http://secunia.com/advisories/39122
http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft