A computer virus designed to steal valuable information like passwords spread Friday through a new technique that converted popular Web sites into virus transmitters.http://isc.sans.org/http://apnews.excite.com/article/200406 ... L3M80.html
It hasn't exactly been a very good quarter for MS on the security front. Didn't Bill do a code audit to take care of this a couple of years back?! The dshield.com site, which is discussed in your first link, is pretty interesting. Maybe there is a lesson to be learned here:
Gates Law - an inverse relationship exists between a software companies stock price and the number of vulnerabilities found in their software.