KB4522741 for .NET Framework 3.5, 4.8 Windows 10 19H1 – 24 Oct 2019

Microsoft rolls KB4522741 cumulative update for .NET Framework 3.5, 4.8 Windows 10 19H1 (1903) on 24 October 2019. With this patch, the team improves the reliability and quality of the following components- ASP.NET, WPF, CLR, and Winforms. Moreover, this update replaces the previous .NET framework 4522738 for Windows 10 Version 1903

The company informs you regarding the security patches download for .NET Framework automatically. However, you may download KB4522741 manually as well navigating to the below address and press the Check for updates button.

Settings > Update & Security > Windows update 

Key Changes in KB4522741 .NET Framework 3.5, 4.8 

This tutorial illustrates the October 24, 2019, Cumulative Update for Microsoft .NET Framework 4.8 for Windows 10 Version 1903.

The below link contains all the useful information related to this patch update for .NET framework-


  • 4519573 – Complete description regarding the cumulative update for .NET Framework 3.5 and 4.8 for Windows 10 19H1 as well as 19H1.

If you want to download and apply the recent security patches of .Net framework 3.5, 4.8, you need to visit Microsoft Update Catalog.

Source – Update Catalog