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Excel Is Back with a Vengeance

Microsoft has confirmed that the Office suite is once again under fire at the beginning of 2008. However, it seems that attacks only target the Excel component in a variety of Office versions. Concomitantly with revealing that a Critical, Zero-Day vulnerability is being actively exploited in the wild, the Redmond company provided assurance that users of the latest versions of the Office System are not at any risk from attack. Office Excel 2007, Excel 2008 for Mac, Office Excel 2003 Service Pack 3 as well as users that have installed Microsoft Office Isolated Conversion Environment (MOICE) are not affected by the vulnerability.

A member of the Microsoft Security Response Center revealed that: “a targeted attack exploiting a vulnerability in Microsoft Office Excel. Our investigation has shown that this vulnerability affects Microsoft Office Excel 2003 Service Pack 2, Microsoft Office Excel Viewer 2003, Microsoft Office Excel 2002, Microsoft Office Excel 2000 and Microsoft Excel 2004 for Mac. Microsoft Office Excel 2003 Service Pack 3, Microsoft Office Excel 2007 and Microsoft Excel 2008 for Mac are not affected as they do not contain the vulnerable code.” (more…)