Microsoft Visual Studio is a family of development tools and a largely complete development toolset that includes most of the tools needed throughout the software lifecycle.Microsoft .NET is a software framework dedicated to agile software development, rapid application development, platform agnosticism, and web transparency. A denial of service vulnerability exists in Microsoft Visual Studio and Microsoft .NET. The vulnerability stems from a failure to properly handle incoming error messages and can be exploited by an attacker to cause a denial of service of the application.