Fix for Excel zero-day may be coming from Microsoft

Microsoft on Tuesday plans to ship eight security fixes as part of its monthly release cycle.

Five of the bulletins address "critical" flaws, two address "important" bugs and one addresses a "moderate" flaw, according to an advance notification bulletin. Of the five critical patches, three involve Windows issues, one affects Internet Explorer and the other involves Excel.

In late February, Microsoft announced that a vulnerability in Excel was being exploited in targeted attacks. However, Microsoft will not reveal which hole the Excel fix -- which affects Office 2000, XP, 2003, 2007 and Office for Mac versions -- plugs prior to Tuesday's release.

The patches labeled important fix flaws in Windows and Microsoft Internet Security & Acceleration Server (ISA), while the moderate patch addresses at least one more bug in Windows.

The update is expected to be released around 2 p.m. EST Tuesday and will include, as always, the latest Malicious Software Removal Tool.








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