Microsoft Internet Explorer 7 does not properly handle errors during attempted access to deleted objects, which allows remote attackers to execute arbitrary code via a crafted HTML document, related to CFunctionPointer and the appending of document objects, aka "Uninitialized Memory Corruption Vulnerability."
https://www.exploit-db.com/exploits/8082
https://www.exploit-db.com/exploits/8080
https://www.exploit-db.com/exploits/8079
https://www.exploit-db.com/exploits/8077
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6000
http://www.zerodayinitiative.com/advisories/ZDI-09-011/