CVE-2012-4787

Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly initialized or (2) is deleted, aka "Improper Ref Counting Use After Free Vulnerability."

Date published : 2012-12-11

http://www.us-cert.gov/cas/techalerts/TA12-346A.html

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-077