The bug was used to hijack PCs and install adware
Microsoft has released a patch for a bug in the Internet Explorer browser two weeks early to combat a mounting number of attacks made via the loophole.
The software giant usually releases security updates once a month.

However, the growing number of attacks using the loophole forced it to move early.

Cyber criminals are known to be using the bug to install keyloggers, adware and spyware and take over Windows PCs

full story: news.bbc.co.uk/1/hi/technology/5384170.stm