Applies to:

Microsoft .NET Framework 4.8

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 4.8 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-KB5020608-x64-NDP48.msu

C1FF3EC922998E2381ED4CAB7CA17EAE3E7B89520BDE6749FE4ACA28855C36FF

Windows8.1-KB5020608-arm-NDP48.msu

FF7DE008CD07B33576897DA373A80874D5FF4704D37F66E398F57FD6AC790203

Windows8.1-KB5020608-x86-NDP48.msu

DE64893EFABD906428964BD92BC465447C461BCFA3EB89E5B9E32CE392CB1D09

File name

File version

File size

Date

Time

Platform

System.data.dll

4.8.4585.0

3,546,528

20-Oct-2022

00:41

x64

System.data.dll

4.8.4585.0

3,479,968

20-Oct-2022

00:50

x86

File name

File version

File size

Date

Time

Platform

System.data.dll

4.8.4585.0

3,492,160

19-Oct-2022

22:58

Not applicable

File name

File version

File size

Date

Time

Platform

System.data.dll

4.8.4585.0

3,479,968

20-Oct-2022

00:50

x86

Prerequisites

To apply this update, you must have .NET Framework 4.8 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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