A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.
https://www.exploitalert.com/view-details.html?id=35992
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147
http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html