Microsoft has released an “important, non-security update” ( KB971029) that restricts Autorun entries in the AutoPlay dialog to only CD and DVD drives.
This update is apply for Windows XP/Vista/non-Windows 7.
Applying this update will help in curbing the malwares using the Autorun feature as mentioned in This blog.
We highly recommend the users to visit the below site and apply the patch urgently.
The Microsoft’s Tuesday patch also contains fixes for vulnerabilities in the Windows Graphics Rendering Engine, as well as CSS exploit in Internet Explorer that could allow an attacker to gain remote code execution.
We request all the users to keep there system latest updated.