The DataGrid ActiveX control in Microsoft Visual Basic 6.0 and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 does not properly handle errors during access to incorrectly initialized objects, which allows remote attackers to execute arbitrary code via a crafted HTML document, related to corruption of the "system state," aka "DataGrid Control Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5894
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-070
http://www.vupen.com/english/advisories/2008/3382
http://www.us-cert.gov/cas/techalerts/TA08-344A.html
http://www.securitytracker.com/id?1021369
http://www.securityfocus.com/bid/32591
http://support.avaya.com/elmodocs2/security/ASA-2008-473.htm