From the Threat Research & Response Blog:
The Microsoft Security Response Center has released Advisory 969136 today about a vulnerability in Microsoft Office PowerPoint which is being exploited in the wild. Office 2000, Office XP, Office 2003 and Mac Office are vulnerable however the latest version, Office 2007, is not.So far we’re aware of several distinct exploit files which have been used. They all seem to be used only in targeted attacks and therefore the number of affected customers is very low.Some "workarounds" can be found here:
- BOTTOM LINE: Don’t open a "joke" that comes in the form of a PowerPoint presentation – especially from people that don’t normally send you PowerPoint presentations?