Microsoft Internet Explorer Multiple Vulnerabilities (2559049)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS11-057.
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/ms11-057.mspx
Insight
Multiple flaws are due to, the way Internet Explorer handles objects in memory, handles JavaScript event handlers, accesses files stored in the local machine, renders data during certain processes and the way the telnet handler executes the associated application.
Affected
Microsoft Internet Explorer version 6.x/7.x/8.x/9.x
References