Microsoft's security hole lesves computers at hackers' mercy

• Microsoft has taken the rare step of warning about a seriors computer security , vulnerability that it has not fixed yet.
  
• The vulnerability affects the internet explorer users whose computers run the Windows XP or Windows Server 2003 OS.
• It can allow hackers to remotely take control of the victim's computers.
• The victims need not do anything to get infected except visiting a website that has been hacked. Security experts say that criminals have been attacking this vulnerability for nearly about a week.
• Thousands of sites have been hacked to serve up malicious software that exploits the vulnerability. People are drawn to these sites by clicking the links provided on spam e-mails.
• The so called zero day vulnerability disclosed by Microsoft affects the part of its software used to play video.