The Microsoft .NET Framework contains an error in the Intermediate Language (IL) verifier which could allow hosted partial trust code to elevate privileges to escape a sandboxed environment resulting in arbitrary code execution with the permissions of the user. Affected are Microsoft .Net Frameworks versions 1.1 through 4.5.
079e079043b920220d28f1a88dcf3dd9d69b471f51c59bc6253d0bd339e455ac