Multiple vulnerabilities were found in Microsoft Developer tools. Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code, spoof user interface, obtain sensitive information.

Below is a complete list of vulnerabilities:

1. An elevation of privilege vulnerability in .NET Framework can be exploited remotely to gain privileges.
2. A memory corruption vulnerability in Chakra Scripting Engine can be exploited remotely via specially crafted website to execute arbitrary code.
3. A cross-site-scripting (XSS) vulnerability Team Foundation Server can be exploited remotely via specially crafted payload to spoof user interface.
4. An elevation of privilege vulnerability in ASP.NET Core can be exploited remotely via specially crafted email to gain privileges.
5. An information disclosure vulnerability in Rome SDK can be exploited remotely to obtain sensitive information.
6. An elevation of privilege vulnerability in Diagnostics Hub Standard Collector Service can be exploited remotely to gain privileges.
7. A remote code execution vulnerability in Azure DevOps and Team Foundation Server can be exploited remotely to execute arbitrary code.

Microsoft .NET Framework 3.5
Microsoft .NET Framework 4.5.2
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
Microsoft .NET Framework 4.8
Microsoft .NET Framework 3.5 AND 4.7.2
Microsoft .NET Framework 3.5 AND 4.8
ChakraCore
Microsoft Edge (EdgeHTML-based)
Azure DevOps Server 2019.0.1
Team Foundation Server 2017 Update 3.1
Team Foundation Server 2018 Update 3.2
Team Foundation Server 2015 Update 4.2
Team Foundation Server 2018 Update 1.2
ASP.NET Core 2.1
ASP.NET Core 3.0
ASP.NET Core 2.2
Rome SDK 1.4.1
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1709 for 32-bit Systems
Windows Server 2016 (Server Core installation)
Windows Server 2019
Microsoft Visual Studio 2019 version 16.2
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server 2016
Microsoft Visual Studio 2017 version 15.0
Microsoft Visual Studio 2015 Update 3
Windows 10 Version 1903 for 32-bit Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1903 for ARM64-based Systems
Windows 10 for x64-based Systems
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1903 for x64-based Systems
Windows Server 2019 (Server Core installation)
Microsoft Visual Studio 2017 version 15.9
Windows 10 for 32-bit Systems
Windows 10 Version 1703 for 32-bit Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1703 for x64-based Systems
Windows 10 Version 1709 for 64-based Systems
Windows Server, version 1803 (Server Core Installation)
Windows 10 Version 1803 for ARM64-based Systems
Windows Server, version 1903 (Server Core installation)
Microsoft Visual Studio 2019 version 16.0
Windows 10 Version 1709 for ARM64-based Systems
Windows 10 Version 1803 for x64-based Systems
Azure DevOps Server 2019 Update 1

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

CVE-2019-1142
CVE-2019-1138
CVE-2019-1305
CVE-2019-1302
CVE-2019-1231
CVE-2019-1301
CVE-2019-1298
CVE-2019-1232
CVE-2019-1306
CVE-2019-1237
CVE-2019-1300
CVE-2019-1217

4516066
4516068
4515384
4516044
4512578
4516058
4516070
4513696
4514359
4514598
4514599
4514356
4514604
4514603
4514355
4514357
4514354
4514601