Nasty stuff - Vulnerability in SMB Could Allow Remote Code

This is bad news. Even though most systems will be protected from internet attacks, this opens up for a new worm flooding your internal network.
Get the update distributed right away!

For those of you with NT4 systems - hmmm - bad luck??

Customers who require additional support for Windows NT 4.0 SP6a must contact their Microsoft account team representative, their Technical Account Manager, or the appropriate Microsoft partner representative for custom support options.
Customers without an Alliance, Premier, or Authorized Contract can contact their local Microsoft sales office.