Stack-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 for Mac, Office 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via an Excel file with a crafted OBJ (0x5D) record, aka "Excel Object Stack Overflow Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7265
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-038
http://www.us-cert.gov/cas/techalerts/TA10-159B.html
http://www.securityfocus.com/bid/40520
http://www.securityfocus.com/archive/1/511752/100/0/threaded