.NET Framework November 2020 Cumulative Update Preview

Tara Overfield

Tara

Today, we are releasing the November 2020 Cumulative Update Preview for .NET Framework.

Quality and Reliability

This release contains the following quality and reliability improvements.

CLR
  • Improved the clean-up process for X509Certificate2 certificates
WPF2
  • Addressed an issue with a FailFast crash arising in apps with two threads that both load application resources.

1 Common Language Runtime (CLR) 2 Windows Presentation Foundation (WPF)

Getting the Update

The Cumulative Update Preview is available via Windows Update and Microsoft Update Catalog.

Microsoft Update Catalog

You can get the update via the Microsoft Update Catalog. For Windows 10, NET Framework 4.8 updates are available via Windows Update and Microsoft Update Catalog.

**Note**: Customers that rely on Windows Update will automatically receive the .NET Framework version-specific updates. Advanced system administrators can also take use of the below direct Microsoft Update Catalog download links to .NET Framework-specific updates. Before applying these updates, please ensure that you carefully review the .NET Framework version applicability, to ensure that you only install updates on systems where they apply.

The following table is for Windows 10 and Windows Server 2019+ versions.

 

Product VersionCumulative Update
Windows 10 1909 and Windows Server, version 1909
.NET Framework 3.5, 4.8Catalog4586878
Windows 10 1903 and Windows Server, version 1903
.NET Framework 3.5, 4.8Catalog4586878
Windows 10 1809 (October 2018 Update) and Windows Server 20194588962
.NET Framework 3.5, 4.7.2Catalog4586875
.NET Framework 3.5, 4.8Catalog4586877

 

Previous Monthly Rollups

The last few .NET Framework Monthly updates are listed below for your convenience:

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