Greeting's
There is a new windows vulnerability found :
1. General overview :
http://www.frsirt.com/english/advisories/2006/0417
2. Proof of concept :
http://www.frsirt.com/exploits/20060202.SrvCheck.c.php
3. Technical detail paper (good read) :
http://www.cs.princeton.edu/~sudhakar/papers/winval.pdf
This vulnerability is regarded as MODERATE and ** CANNOT ** be exploited REMOTELY.
No patch from microsoft till now.