KLA12173
Multiple vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Visual Studio Code can be exploited remotely to execute arbitrary code.
2. An elevation of privilege vulnerability in .NET and Visual Studio can be exploited remotely to gain privileges.
3. A remote code execution vulnerability in Visual Studio Code Remote Containers Extension can be exploited remotely to execute arbitrary code.
4. A remote code execution vulnerability in Visual Studio can be exploited remotely to execute arbitrary code.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Visual Studio Code
Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Visual Studio 2019 for Mac version 8.9
.NET 5.0
.NET Core 3.1
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Visual Studio Code Remote - Containers Extension

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