I don’t always post on Windows security updates, but when I do, it’s
a Dos Equis near to my heart! Do you use Remote Desktop? Of course you do. That’s why you need to install this update immediately:
This is important for anyone running just about any version of Windows, but especially if you’ve got any machine exposing Remote Desktop directly to the internet (such as a Terminal Server). Fortunately there is a mitigation for those who just cannot patch tonight: enable NLA for your Remote Desktop connections.
Read more here.
Hop to it! Microsoft says not to wait for a normal patch-cycle on this one…