.NET Framework February 2022 Security and Quality Rollup

This week, we released the February 2022 Security and Quality Rollup for .NET Framework.

Security

The February Security and Quality Rollup Update does not contain any new security improvements. See January 2022 Security and Quality Rollup for the latest security updates.

Quality and Reliability

This release contains the following quality and reliability improvements.

CLR1

Addresses rare crashes and hangs that can appear in cases where a GC occurs while another thread is in the middle of certain special paths used to invoke shared-generic code from non-shared-generic contexts.

WPF2

Addresses a hang when scrolling a list control where both these conditions are

UseLayoutRounding is enabled, and
The item margin is not a multiple of the rounding quantum. (The quantum is a function of the DPI scaling in effect.)

Addresses an exception “Height must be non-negative” that can occur when adding items or groups to the collection displayed by an ItemsControl.
Addresses an issue where a shared ContextMenu stops displaying after it fails to display once because its owner was removed from the visual tree.

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

Getting the Update

The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, 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, Windows Server Update Services, Microsoft Update Catalog. Updates for other versions of .NET Framework are part of the Windows 10 Monthly Cumulative Update.

**Note**: Customers that rely on Windows Update and Windows Server Update Services 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
5009469

Microsoft server operating systems version 21H2

.NET Framework 3.5, 4.8
Catalog
5009470

Windows 10 21H2

.NET Framework 3.5, 4.8
Catalog
5009467

Windows 10 21H1

.NET Framework 3.5, 4.8
Catalog
5009467

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

.NET Framework 3.5, 4.8
Catalog
5009467

Windows 10 1909

.NET Framework 3.5, 4.8
Catalog
5010483

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

5010580

.NET Framework 3.5, 4.7.2
Catalog
5009472

.NET Framework 3.5, 4.8
Catalog
5009468

Windows 10 1607 (Anniversary Update) and Windows Server 2016

.NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2
Catalog
5010359

.NET Framework 4.8
Catalog
5010460

 

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

5010583

.NET Framework 3.5
Catalog
5008868

.NET Framework 4.5.2
Catalog
5008870

.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2
Catalog
5010465

.NET Framework 4.8
Catalog
5010462

Windows Server 2012

5010582

.NET Framework 3.5
Catalog
5008865

.NET Framework 4.5.2
Catalog
5008869

.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2
Catalog
5010464

.NET Framework 4.8
Catalog
5010461

Windows 7 SP1 and Windows Server 2008 R2 SP1

5010581

.NET Framework 3.5.1
Catalog
5008867

.NET Framework 4.5.2
Catalog
5008860

.NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2
Catalog
5010458

.NET Framework 4.8
Catalog
5010457

Windows Server 2008

5010584

.NET Framework 2.0, 3.0
Catalog
5008866

.NET Framework 4.5.2
Catalog
5008860

.NET Framework 4.6
Catalog
5010458

 

Previous Monthly Rollups

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

.NET Framework January 2022 Cumulative Update Preview
.NET Framework January 2022 Security and Quality Rollup Updates
.NET Framework November 2021 Cumulative Update
.NET Framework October 2021 Security and Quality Rollup

The post .NET Framework February 2022 Security and Quality Rollup appeared first on .NET Blog.

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