Attackers have exploited a loophole in Microsoft Windows which enables them to take full control of your system.  The attackers are able to use a special code that may crash your computer and servers.

The Windows operating systems that have been listed as critical are as follow: Windows 2000 SP4, XP SP2, XP SP3, XP Professional x64, XP Professional x64 SP2, Server 2003 SP1, Server 2003 SP2, Server 2003 x64, Server 2003 SP1 Itanium and Server 2003 SP2 Itanium.

The Windows operating systems that have been listed as important but not critical are: Vista SP1, Vista x64, Vista x64 SP1, Server 2008 32-bit, Server 2008 x64 and Server 2008 Itanium.

However, Microsoft has released a patch for this titled MS08-067 and kb958644. Please go to the Microsoft Security Site at http://www.microsoft.com/technet/security/bulletin/ms08-067.mspx and download your operating system’s patch.