December 11, 2018—KB4470502 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019

Improvements and fixes

This update includes security and quality improvements. No new operating system features are being introduced in this update. Key changes include:

• Addresses a vulnerability in Microsoft .NET Framework that could allow remote code execution by correcting how .NET Framework validates input. To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2018-8540.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device. For the history of previous updates please refer to: History of Cumulative Updates for .NET Framework for Windows 10 version 1809.

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

Known issues in this update

Microsoft is not currently aware of any issues in this update.

How to get this update

Install this update

To download and install this update, go to Settings > Update & Security > Windows Update and select Check for updates.

This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for cumulative update 4470502 for x64 and the file information for cumulative update 4470502 for x86.