This is a patch to fix a remote vulnerability caused by a unchecked buffer in Workstation Service, a component of Microsoft Windows                 
                                                                                
This service is the one responsible for allow connection to shared file resources or shared print resources on a network.                         
                                                                               
As said above, it will allow remote exploitation of the machine, which would give complete control to the attacker. Most personal firewalls may protect you against this vulnerability, and despite the fact that Microsoft says that there is no public exploit or disclosure of this vulnerability yet, our advice is to test and apply it as soon as possible on your systems.

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Pedro Bueno