Time to use that Windows Update shortcut in your tools menu, 10 critical patches came out yesterday, mostly for IE, though  others are affected as well.  CNet reports no screaming about incompatabilities, so you will be safer getting them installed than leaving it for a while.
“The Redmond, Wash., software giant sent out the IE megafix as part of its monthly Patch Tuesday cycle of bulletins. In addition, Microsoft delivered two bulletins for “critical” Windows flaws, one for an “important” vulnerability in Outlook Express and one for a “moderate” bug in a component of FrontPage and SharePoint.

“This patch release is a big one with lots of aftershocks,” said Jonathan Bitle, a product manager at security company Qualys. “Three of the five updates, the IE and Windows updates, are especially critical as they take advantage of inexperienced users…Although a worm epidemic is unlikely, users can be easily enticed to visit malicious Web pages.” ”

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