Array index vulnerability in Microsoft Office Excel 2000 SP3, 2002 SP3, and 2003 SP3; Excel Viewer 2003 Gold and SP3; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code via an Excel spreadsheet with a NAME record that contains an invalid index value, which triggers stack corruption, aka "Excel Global Array Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5808
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-074
http://www.vupen.com/english/advisories/2008/3386
http://www.us-cert.gov/cas/techalerts/TA08-344A.html
http://www.securitytracker.com/id?1021368
http://www.securityfocus.com/archive/1/499055/100/0/threaded