An information disclosure vulnerability exists in .NET Framework and .NET Core which allows bypassing Cross-origin Resource Sharing (CORS) configurations aka \.NET Framework Information Disclosure Vulnerability.\ This affects Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 Microsoft .NET Framework 4.7/4.7.1/4.7.2 .NET Core 2.1 Microsoft .NET Framework 4.7.1/4.7.2 Microsoft .NET Framework 3.5 Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6/4.6.1/4.6.2 .NET Core 2.2 Microsoft .NET Framework 4.7.2.