Microsoft warns users of 'zero day' vulnerability in OS

London, Nov. 7 : Microsoft has reportedly warned its users that hackers could exploit a known 'zero day' vulnerability affecting its operating system and exploit users' devices.

The software manufacturer said that hackers could exploit the vulnerability by requesting users to preview or open a specially crafted email or web content.

According to the BBC, Microsoft revealed that it was aware of the hack-attacks carried out in Middle East and South Asia and was investigating into them.

The bug affects Microsoft Windows Vista, Windows Server 2008, Microsoft Office 2003 - 2010, and Microsoft Lync.

The report said that the latest versions of the Microsoft Windows and Office are not affected by the issue, which centres on a graphics component.

The company said that it would take actions to address the bug by releasing a security update through their monthly release process or providing an out-of-cycle security update, depending on customer needs.

Microsoft said that the flaw lies in the handling of the Tagged Image File Format (TIFF) image files by a graphics processing component in the affected software versions.

Dustin Childs, a communications manager, said that the attacks are disguised as an email requesting potential targets to open a specially crafted Word attachment and once the attachment is previewed or opened, it attempt to exploit the vulnerability using a malformed graphics image embedded in the document.

The software manufacturer has also released an emergency fix after hackers exploited an undetected bug in its Office software to infect the PCs of its users with spammed Word documents.

--ANI (Posted on 07-11-2013)

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