Attackers are exploiting a "zero-day" vulnerability in Microsoft's Internet Explorer and hijacking Windows PCs that cruise to malicious or compromised websites, security experts said today.
Source :-
http://www.computerworld.com/s/article/9231367/Hackers_exploit_new_IE_zero_day_vulnerability?taxonomyId=85&pageNumber=2
Microsoft Fix it patch :-
http://support.microsoft.com/kb/2757760