Browser users urged to patch up

Windows users are being warned about a bug that lets attackers take over a PC via the Internet Explorer browser.

The bug made possible webpages that can compromise a PC without a user spotting the attack, Microsoft warned.

Code to exploit the bug was circulating online which led Microsoft to label the bug 'critical' and said users should apply a patch immediately.

At the same time a similar bug was found to be affecting the rival Firefox web browser.

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