.NET Framework November 2020 Security and Quality Rollup Updates

Tara Overfield

Tara

Revised 1/15/2021:  On Jan 12, 2020, a live revision was made to these updates to remove its supersedence relationship with the October 13, 2020, .NET Framework security updates. If you have already installed this update, the October 13 .NET Framework updates, or any later .NET Framework updates, you do not have to take any action to be up-to-date for the latest .NET Framework security updates. See the “Update replacement information” section in this article for more information for WSUS administrators.

WSUS administrators who cannot install the October Security and Quality Rollup and have to reinstate the October 13, 2020, KB 4578974 security update, if it was declined, can follow this guidance: Reinstating declined updates. Then, they should run an update synchronization within their Microsoft Endpoint Configuration Manager, or update management environments, as applicable.

 

Earlier this week, we released the November 2020 Security and Quality Rollup Updates for .NET Framework.

Security

The November Security and Quality Rollup Update does not contain any new security fixes. See October 2020 Security and Quality Rollup for the latest security updates.

Quality and Reliability

This release contains the following quality and reliability improvements.

SQL
  • Addressed an issue in System.Data.SqlClient where querying string columns would fail if the database had a Kazakh collation.
WPF2
  • Addressed a regression from a previous update, arising when two HostVisual elements disconnect at the same time.
  • Addressed a crash and/or hang when typing into a TextBox in a WPF app, when the OS feature “use text cursor indicator” is enabled.

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 10, version 20H2 and Windows Server, version 20H2
.NET Framework 3.5, 4.8 Catalog 4580419
Windows 10 2004 and Windows Server, version 2004
.NET Framework 3.5, 4.8 Catalog 4580419
Windows 10 1909 and Windows Server, version 1909
.NET Framework 3.5, 4.8 Catalog 4580980
Windows 10 1903 and Windows Server, version 1903
.NET Framework 3.5, 4.8 Catalog 4580980
Windows 10 1809 (October 2018 Update) and Windows Server 2019 4586082
.NET Framework 3.5, 4.7.2 Catalog 4580422
.NET Framework 3.5, 4.8 Catalog 4580979
Windows 10 1803 (April 2018 Update)
.NET Framework 3.5, 4.7.2 Catalog 4586785
.NET Framework 4.8 Catalog 4585210
Windows 10 1703 (Creators Update)
.NET Framework 3.5, 4.7, 4.7.1, 4.7.2 Catalog 4586782
.NET Framework 4.8 Catalog 4585208
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 4586830
.NET Framework 4.8 Catalog 4585207

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 4586085
.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 4585214
.NET Framework 4.8 Catalog 4585212
Windows Server 2012 4586084
.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 4585213
.NET Framework 4.8 Catalog 4585211
Windows 7 SP1 and Windows Server 2008 R2 SP1 4586083
.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 4585204
.NET Framework 4.8 Catalog 4585205
Windows Server 2008 4586086
.NET Framework 2.0, 3.0 Catalog 4578951
.NET Framework 4.5.2 Catalog 4578955
.NET Framework 4.6 Catalog 4585204

 

Previous Monthly Rollups

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

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