Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Azure App Service can be exploited remotely to execute arbitrary code.
2. A memory corruption vulnerability in Chakra Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.
3. A memory corruption vulnerability in Chakra Scripting Engine can be exploited remotely via specially crafted content to execute arbitrary code.
4. An information disclosure vulnerability in Open Enclave SDK can be exploited remotely to obtain sensitive information.
5. An information disclosure vulnerability in SQL Server Management Studio can be exploited remotely to obtain sensitive information…

Azure App Service on Azure Stack
ChakraCore
Microsoft Edge (EdgeHTML-based)
Open Enclave SDK
SQL Server Management Studio 18.3.1
SQL Server Management Studio 18.3

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)