Windows Messenger Could Allow Information Disclosure Vulnerability (955702)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS08-050.
Impact
Remote attackers can log on to a user's Messenger client as a user, and can initiate audio and video chat sessions without user interaction. Impact Level : Network
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/ms08-050.mspx
Insight
Issue is in the Messenger.UIAutomation.1 ActiveX control being marked safe-for-scripting, which allows changing state, obtain contact information and a user's login ID.
Affected
Windows Messenger 4.7 on MS Windows 2K/XP Windows Messenger 5.1 on MS Windows 2K/XP/2003
References