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New zero-day vulnerability in Windows

February 07, 2011  Malware News

Microsoft has informed about an uncorrected error in all versions of Windows XP to Windows 7. This bug could be exploited to install malicious software. This bug regards the vulnerability of MHTML protocol (i.e. MIME HTML) which can be exploited to run malicious scripts in Internet Explorer. Microsoft has recommended for Internet Explorer users to use the Fixit tool to disable the MHTML protocol (Note: Fixit can be downloaded for free from the company’s website). This protocol also supports the Opera browswer. Google Chrome and Safari do not use this protocol at all and in the case of Firefox it is possible to download a special add-on. Since the error is a part of the Windows system and not just Internet Explorer, it is not entirely clear when Microsoft will be able to issue a patch.

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