Microsoft released KB4514359, the cumulative update for the .NET Framework 3.5 and 4.8 for the Windows 10 May 2019 Update (version 1903) and Windows Server 2019 (1903), which fixes the vulnerability escalation CVE-2019-1142
Microsoft has released the cumulative .NET Framework update KB4514359 for Windows 10 version 1903 (May 2019 Update) based on x64 processors (amd64), ARM64 and Windows Server 2019 (1903) for x64-based systems.
September 10, as part of Tuesday’s patch for Windows 10 (version 1903), the cumulative update KB4515384 (Build 18362.356) and the service stack update KB4515383 were also available.
Installation through Windows Update
Cumulative Update 4514359 for PC installs through Windows Update. To check, go to the menu Options > Update and Security and press Check for Updates.
To complete the installation, you will need to restart your computer.
Установка и настройка обновлений Windows 10
You can also download the update from the Microsoft Update Catalog and install it manually at the link below:
To install the MSU file, just double-click on the file. You can apply additional parameters (for example, /silent for a background installation) – installing the MSU service pack.
Improvements and fixes KB4514359
Details are available at support page.