Microsoft Internet Explorer 5.01, 6, and 7 allows remote attackers to execute arbitrary code by causing Internet Explorer to access an uninitialized or deleted object, related to prototype variables and table cells, aka "Uninitialized Memory Corruption Vulnerability."
https://exchange.xforce.ibmcloud.com/vulnerabilities/34626
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1978
https://euvd.enisa.europa.eu/vulnerability/EUVD-2007-1745
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-033
http://www.vupen.com/english/advisories/2007/2153
http://www.securityfocus.com/bid/24418
http://www.securityfocus.com/archive/1/471947/100/0/threaded
http://www.securityfocus.com/archive/1/471210/100/0/threaded
http://securitytracker.com/id?1018235