Microsoft said Thursday it will release three security updates on this coming Patch Tuesday, including one that is rated "critical" and could allow an attacker to take over the computer.

The critical update affects Windows 2000, XP, Vista and Server 2003 and 2008, the company said in an advisory.More at; http://news.cnet.com/8301-1009_3-10189805-83.html?tag=mncol;title