The fact that Windows Vista’s security has been by-passed isn’t new it bears repeating enough to make sure that everyone has heard this. Basically the security in Windows’s Vista and Windows Server 2008 that was supposed to make the new operating system more secure than any previous operating systems from Microsoft hasn’t helped them. At the Black Hat conference that is going on two guys, one from IBM and one from VMWare, found a way to
It seems that their attempts have only made the situation worse, since from what I can tell, the vulnerability is easy to create, hard to stop and could become a plague overnight. Here are some links to help you sort out the topic for yourself.
TechTarget with some really nice info
More technical and more in-depth