Win Update KB5018546 Cumulative Update .NET Framework 3.5, 4.8, and 4.8.1 - Oct. 11


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October 11, 2022-KB5018546 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11​


IMPORTANT
This update is included in the Cumulative Update that's dated October 11, 2022. Parts of this update were previously released in the Cumulative Update that's dated September 20, 2022.

Summary​

This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 11.

Security Improvements

There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.

Quality and Reliability Improvements

For a list of improvements that were released with this update, please see the article links in the Additional Information section of this article.

Known issues in this update​

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

Additional information about this update​

The following articles contain additional information about this update as it relates to individual product versions.
  • 5017264 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 11 (KB5017264)
  • 5017267 Description of the Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11 (KB5017267)

How to get this update​

Release ChannelAvailableNext Step
Windows Update and Microsoft UpdateYesNone. This update will be downloaded and installed automatically from Windows Update.
Windows Update for BusinessNoNone. These changes will be included in the next security update to this channel. For more information about Windows Update for Business go to the Windows Update for Business website.
Microsoft Update CatalogYesTo get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)YesThis update will automatically sync with WSUS if you configure as follows:
Product:Windows 11
Classification: Updates
Click to expand...

Source:

October 11, 2022-KB5018546 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11 - Microsoft Support

support.microsoft.com support.microsoft.com
devblogs.microsoft.com

.NET Framework October 2022 Security and Quality Rollup

October 2022 Security and Quality Rollup for .NET Framework
devblogs.microsoft.com devblogs.microsoft.com

Check Windows Updates
 

Attachments

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Last edited:
Click to expand...
When you try to download this file from Microsoft Update Catalog you are offered the following two files. One seems to be applicable only to Windows 10 and another one to Windows 11:

windows10.0-kb5017264
windows11.0-kb5017267


Has anyone managed to sort this out for those who install all updates manually on Windows 11 system? Here are two possible scenarios:

1) kb5018546 = kb5017264 + kb5017267 (you need to install both files)

2) kb5018546 = kb5017267 (it is safe to ignore kb5017264)
 
Last edited:

My Computer

System One

  • OS
    Windows 11
Update:

It seems that kb5017264 is actually the right file to install and kb5017267 should be ignored. I use Abbodi's W10UI (v10.23) to perform the updates and get DISM Error 0x800f081e with kb5017267:


Removing kb5017267 solves the problem:




-----
For the record, here are the links to W10UI:

github.com

abbodi1406 - Overview

not a developer. abbodi1406 has 15 repositories available. Follow their code on GitHub.
github.com github.com

forums.mydigitallife.net

abbodi1406's Batch Scripts Repo

An index thread to my simple contributions to the community, which mostly are batch scripts, hence the "Scripting" forum :) Project Ver Description...
forums.mydigitallife.net forums.mydigitallife.net
 

My Computer

System One

  • OS
    Windows 11
I think I have now a better understanding of how it works. I have Win 11 21H2 and it seems that .NET is never automatically updated from v4.8 to v4.8.1 on such systems, but it can still be done manually. So .NET updates listed in post #2 are intended as follows:

windows10.0-kb5017264 - Win11 21H2 with .NET v4.8
windows11.0-kb5017267 - Win11 21H2 with .NET v4.8.1

It works the same way with the latest update from 2022-10-25 (KB5018859). It contains two files:

windows10.0-kb5018330 - Win11 21H2 with .NET v4.8
windows11.0-kb5018334 - Win11 21H2 with .NET v4.8.1

.NET version currently installed on the system can be determined by following the instructions provided here:

learn.microsoft.com

Determine which .NET Framework versions are installed - .NET Framework

Use code, regedit.exe, or PowerShell to detect which versions of .NET Framework are installed on a machine by querying the Windows registry. Or, check Control Panel.
learn.microsoft.com
 
Last edited:

My Computer

System One

  • OS
    Windows 11
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