Microsoft Internet Explorer Multiple Vulnerabilities (2497640)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS11-018.
Impact
Successful exploitation could allow remote attackers to execute arbitrary code in the context of the application. Failed exploit attempts will result in denial-of-service conditions. 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://www.microsoft.com/technet/security/Bulletin/MS11-018.mspx
Insight
Multiple flaws are due to - memory corruptions when Internet Explorer attempts to access incorrectly initialized memory or an object under certain conditions. - during certain processes, Internet Explorer incorrectly allows attackers to access and read content from different domains.
Affected
Microsoft Internet Explorer version 6.x/7.x/8.x
References