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Windows Vista, Lync, older Office versions under attack via new vulnerability

Attackers are exploiting security holes found in older versions of Office and Windows, plus current versions of Lync.

By Mark Hachman, PC World
November 06, 2013 09:00 AM ET

PC World - Microsoft warned Tuesday that attackers are actively targetingA Windows Vista, as well asA Microsoft Office 2003 through 2010, with an attack that would give hackers the same rights as the victim.

Microsoft's Security Advisory 2896666A warns that Vista, the two Office versions, Windows Server 2008, and all versions of Lync are vulnerable, Microsoft warned in a blog post.

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"The exploit requires user interaction as the attack is disguised as an email requesting potential targets to open a specially crafted Word attachment," Microsoft said. "If the attachment is opened or previewed, it attempts to exploit the vulnerability using a malformed graphics image embedded in the document.A An attacker who successfully exploited the vulnerability could gain the same user rights as the logged-on user."

Attacks are actively occurring in the Middle East and South Asia, Microsoft said.

To fix it, Microsoft advised users to apply a Microsoft Fix It solution to prevent exploiting the TIFF file codecA at the root of the problem. Microsoft also suggests deploying theA Enhanced Mitigation Experience ToolkitA (EMET) to prevent exploitation of the issue.

In general, Microsoft has pushed users to ditch Windows XP, as it will discontinue support of the OS in April of next year. XP isn't subject to this vulnerability, but the same advice applies. Microsoft said that users running current versions of Office and Windows aren't affected. Businesses may justifiably worry, however, that their employees running the collaboration tool, Lync, may be vulnerable. If any of this applies to you, patch, and patch now.

Originally published on www.pcworld.com. Click here to read the original story.

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