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Applies to:

Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2

IMPORTANT

  • As a reminder to advanced IT administrators, updates to .NET Framework 3.5 for Windows 8.1 and Windows Server 2012 R2 should only be applied on systems where .NET Framework 3.5 is present and enabled. Customers who attempt to pre-install updates to .NET Framework 3.5 to offline images that do not contain the .NET Framework 3.5 product enabled will expose these systems to failures to enable .NET Framework 3.5 after the systems are online. For more extensive information about deploying .NET Framework 3.5, see Microsoft .NET Framework 3.5 Deployment Considerations.

  • All updates for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2 require that update KB 2919355 is installed. We recommend that you install update KB 2919355 on your Windows 8.1-based, Windows RT 8.1-based, or Windows Server 2012 R2-based computer so that you receive updates in the future.

  • If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Summary

This security update addresses a vulnerability which exists in System.Data.SqlClient and Microsoft.Data.SqlClient libraries where a timeout occurring under high load can cause incorrect data to be returned as the result of an asynchronously executed query or command. For more information please see CVE-2022-41064.

Additional information about this update

The following articles contain additional information about this update as it relates to individual product versions.

  • 5020680 Description of the Security Only Update for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1 and Windows Server 2012 R2 (KB5020680)

Known issues in this update

Microsoft is not currently aware of any issues in this update.

How to obtain and install the update

Before installing this update

Prerequisite:

To apply this update, you must have .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 installed.

Install this update

Release Channel

Available

Next Step

Microsoft Update Catalog

Yes

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS)

Yes

This update will automatically sync with WSUS if you configure Products and Classifications as follows:

Product:Windows 8.1 and Windows Server 2012 R2

Classification: Security Updates

Restart requirement

You may need to restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

Update deployment information

For deployment details for this security update, go to the following article in the Microsoft Knowledge Base:

20221108 Security update deployment information: November 8, 2022

Update removal information

Note We do not recommend that you remove any security update. To remove this update, use the Programs and Features item in Control Panel.

Update restart information

This update does not require a system restart after you apply it unless files that are being updated are locked or are being used.

File Information

File hash information

File name

SHA256 hash

Windows8.1-KB5020611-x64.msu

7081A2155468068278D3CAE962D9D62C67CA259ADD2B23E0F303398448BE9E20

Windows8.1-KB5020611-arm.msu

4691A8DB43B7C366F04D22E761A535EC41255692BECEE24523EF5B08FC849C2A

Windows8.1-KB5020611-x86.msu

0335FBFF8C06FB89AF999BA32455EB1E3AB728D33F4048D0A642ECB821DB596B

File name

File version

File size

Date

Time

Platform

Msvcp120_clr0400.dll

12.0.52519.0

690,008

26-Jul-2022

00:52

x64

Msvcr120_clr0400.dll

12.0.52519.0

993,632

26-Jul-2022

00:52

x64

System.data.dll

4.7.4005.0

3,529,608

20-Oct-2022

00:43

x64

Msvcp120_clr0400.dll

12.0.52519.0

485,576

06-May-2022

19:34

x86

Msvcr120_clr0400.dll

12.0.52519.0

987,840

06-May-2022

19:34

x86

System.data.dll

4.7.4005.0

3,467,696

20-Oct-2022

00:43

x86

File name

File version

File size

Date

Time

Platform

Msvcp120_clr0400.dll

12.0.52242.36242

602,080

06-May-2022

19:34

Not applicable

Msvcr120_clr0400.dll

12.0.52242.36242

634,336

06-May-2022

19:34

Not applicable

System.data.dll

4.7.4005.0

3,466,568

19-Oct-2022

22:39

Not applicable

File name

File version

File size

Date

Time

Platform

Msvcp120_clr0400.dll

12.0.52519.0

485,576

06-May-2022

19:34

x86

Msvcr120_clr0400.dll

12.0.52519.0

987,840

06-May-2022

19:34

x86

System.data.dll

4.7.4005.0

3,467,696

20-Oct-2022

00:43

x86

Prerequisites

To apply this update, you must have .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 installed.

Restart requirement

You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

How to obtain help and support for this update

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