Bug affects Internet Explorer 6 and Internet Explorer 7

Microsoft has confirmed that it is aware of another critical vulnerability in its Internet Explorer web browser

Microsoft has warned that hackers are already exploiting the flaw, which could allow them to remotely take control of a computer running Microsoft's Windows operating system. Computer users running Internet Explorer 5.01 or the latest release, Internet Explorer 8, are not affected by the vulnerability.

"At this time, we are aware of targeted attacks attempting to use this vulnerability," Microsoft said in a security advisory. "We will continue to monitor the threat environment and update this advisory if this situation changes."

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