.NET Framework November 2021 Cumulative Update

Today, we are releasing the November 2021 Cumulative Update for .NET Framework.

Security

The November Security and Quality Rollup Update does not contain any new security fixes. See February 2021 Security and Quality Rollup for the latest security updates.

Quality and Reliability

This release contains the following quality and reliability improvements.

CLR1

Addresses a change to how event providers are unregistered with ETW on disposal.
Addresses a crash that could occur if a program exits while a ManagementEventWatcher is active.

1 Common Language Runtime (CLR)

Getting the Update

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

Microsoft Update Catalog

You can get the update via Windows Update and Microsoft Update Catalog.

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 2016+ versions.

Product Version
Cumulative Update

Windows 11

.NET Framework 3.5, 4.8
Catalog
5006363

Microsoft server operating systems version 21H2

.NET Framework 3.5, 4.8
Catalog
5006364

Windows 10 21H2

.NET Framework 3.5, 4.8
Catalog
5006365

Windows 10 21H1

.NET Framework 3.5, 4.8
Catalog
5006365

Windows 10, version 20H2 and Windows Server, version 20H2

.NET Framework 3.5, 4.8
Catalog
5006365

Windows 10 2004 and Windows Server, version 2004

.NET Framework 3.5, 4.8
Catalog
5006365

Windows 10 1809 (October 2018 Update) and Windows Server 2019

5007298

.NET Framework 3.5, 4.7.2
Catalog
5006368

.NET Framework 3.5, 4.8
Catalog
5006366

 

The following table is for earlier Windows and Windows Server versions.

Product Version
Security and Quality Rollup

Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2

5007301

.NET Framework 3.5
Catalog
4578953

.NET Framework 4.5.2
Catalog
4578956

.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2
Catalog
5007157

.NET Framework 4.8
Catalog
5007152

Windows Server 2012

5007300

.NET Framework 3.5
Catalog
4578950

.NET Framework 4.5.2
Catalog
4578954

.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2
Catalog
5007156

.NET Framework 4.8
Catalog
5007153

Windows 7 SP1 and Windows Server 2008 R2 SP1

5007299

.NET Framework 3.5.1
Catalog
4578952

.NET Framework 4.5.2
Catalog
4578955

.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2
Catalog
5007150

.NET Framework 4.8
Catalog
5007149

Windows Server 2008

5007302

.NET Framework 2.0, 3.0
Catalog
4578951

.NET Framework 4.5.2
Catalog
4578955

.NET Framework 4.6, 4.6.2
Catalog
5007150

 

Previous Monthly Rollups

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

.NET Framework October 2021 Security and Quality Rollup
.NET Framework August 2021 Security and Quality Rollup
.NET Framework July 2021 Cumulative Update Preview
.NET Framework July 2021 Security and Quality Rollup

The post .NET Framework November 2021 Cumulative Update appeared first on .NET Blog.

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