Another out-of-band IE patch, for IE6 through IE8. Office also at risk.

http://www.microsoft.com/technet/security/advisory/979352.mspx

The patch will be released around 10 am PST, 1pm EST. This may be the vector that was used against Google.

There does not appear to be a patch for Office in this bundle, although it may be vulnerable. Microsoft has suggestions for workarounds in their advisory in Suggested Actions -> Workarounds.