Microsoft Internet Explorer Multiple Use-After-Free Vulnerabilities (2761451)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS12-071.
Impact
Successful exploitation will allow remote attackers to gain sensitive information or execute arbitrary code in the context of the current user. Impact Level: System/Application
Solution
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link, http://technet.microsoft.com/en-us/security/bulletin/ms12-071
Insight
Multiple use-after-free errors within the 'CFormElement', 'CTreePos' and 'CTreeNode' class and can be exploited to dereference already freed memory.
Affected
Microsoft Internet Explorer version 9.x
References