Affected: Microsoft .NET Core, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation), Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation), Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation), Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 and 43 more

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka '.NET Framework Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0606.