Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16361
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-008
http://www.us-cert.gov/cas/techalerts/TA13-015A.html
http://www.us-cert.gov/cas/techalerts/TA13-008A.html
http://www.kb.cert.org/vuls/id/154201
http://technet.microsoft.com/security/advisory/2794220
http://blog.fireeye.com/research/2012/12/council-foreign-relations-water-hole-attack-details.html