Microsoft has recently identified and developed a patch for several vulnerabilities found in ASP.NET. The patch is considered to be a necessity and can easily be downloaded from the Microsoft's Security TechCenter. These vulnerabilities could cause a DoS attack on any machine with the .NET framework installed.
We highly recommend updating your PCs and Servers if you have .NET installed. If you have any questions please feel free to contact our help desk and they will be happy to help you.