Download Windows 10 Cumulative Updates For November 2020

Windows UpdateWindows Update

As always, Microsoft has released Windows 10 Cumulative Updates fixing security vulnerabilities in all active versions, including Windows 8.1 and Windows 7. These updates also include patches for other Microsoft products that get updates through Windows Update e.g., Microsoft Edge, Windows Defender, Microsoft Office, etc.

Let’s discuss security updates for each Windows version and their direct download links for easier installation.

KB4586781 for Windows 10 Version 20H2 and Windows 10 Version 2004

Since Windows 10 Version 20H2 and Version 2004 share the same kernel, the same cumulative update has been provided for both versions.

A total of 52 vulnerabilities have been fixed, 2 of which are critical, 49 are important and 1 is of low priority. Both critical vulnerabilities are related to remote code execution. Therefore, it is important to install this cumulative update to keep your system secure.

The critical vulnerabilities include the following:

  • CVE 2020 17042 — Windows Print Spooler Remote Code Execution Vulnerability
  • CVE 2020 17051 — Windows Network File System Remote Code Execution Vulnerability

What’s included in KB4586781

  • Updates to improve security when using input devices such as a mouse, keyboard, or pen.
  • Updates to improve security when using Microsoft Office products.
  • Updates to improve security when Windows performs basic operations.
  • Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.

There are some known issues on which Microsoft is still working. You can go through the known issues in the Microsoft Support Document.

Download KB4586781

For Windows 10 Version 20H2

Download KB4586781 for Windows 10 Version 20H2 64-bit [350.5 MB]

Download KB4586781 for Windows 10 Version 20H2 32-bit [115 MB]

For Windows 10 Version 2004

Download KB4586781 for Windows 10 Version 2004 64-bit [350.5 MB]

Download KB4586781 for Windows 10 Version 2004 32-bit [115 MB]

To install the update, simply run the downloaded MSU file and Windows will automatically install the cumulative update.

You can check out your current Windows build by going to Run and then type winver.

To download any other updates related to KB4588671 , please check Microsoft Catalog.

Installing the update KB4586781 will change your current Windows 10 20H2 build to 19042.630 and Windows 10 Version 2004 to build 19041.630. This update is also available to Windows 10 beta and Release Preview users.

KB4586786 for Windows 10 Version 1909 and Windows 10 Version 1903

Since Windows 10 Version 1909 and Version 1903 share the same kernel, the same cumulative update has been provided for both versions.

Please note that if you have Windows 10 Version 1903 running on your computer, Windows Update will forcefully upgrade it to Version 1909 with this cumulative update.

A total of 55 vulnerabilities have been fixed in this cumulative update, of which 2 are critical (the same ones as mentioned above), 54 are important and 1 is of low priority.

What’s included in KB4586786

  • Updates the 2020 DST start date for the Fiji Islands to December 20, 2020. 
  • Updates to improve security when using Microsoft Office products.
  • Updates to improve security when using input devices such as a mouse, keyboard, or pen.
  • Updates to improve security when Windows performs basic operations.

There are some known issues on which Microsoft is still working. You can go through the known issues in the Microsoft Support Document.

Download KB4586786

For Windows 10 Version 1909

Download KB4586786 for Windows 10 Version 1909 64-bit [404.4 MB]

Download KB4586786 for Windows 10 Version 1909 32-bit [207.7 MB]

For Windows 10 Version 1903

Download KB4586786 for Windows 10 Version 1903 64-bit [404.4 MB]

Download KB4586786 for Windows 10 Version 1903 32-bit [207.7 MB]

To install the update, simply run the downloaded MSU file and Windows will automatically install the cumulative update.

You can check out your current Windows build by going to Run and then type winver.

To download any other updates related to KB4586786 , please check Microsoft Catalog.

Installing the update KB4586781 will change your current Windows 10 1909 build to 18363.1198 and Windows 10 Version 1903 to build 18362.1198.

Uninstall Windows 10 cumulative updates

If you find that you cannot work with the new update installed, you can always uninstall it whenever you like. Here is a guide on how to uninstall a cumulative Windows update.

Cleanup after installing Windows Updates

If you want to save space after installing Windows updates, you can run the following commands:

dism.exe /Online /Cleanup-Image /AnalyzeComponentStore
dism.exe /Online /Cleanup-Image /StartComponentCleanup
Running the cleanup tool to remove Windows 10 Cumulative Updates installation data
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Usman Khurshid
Usman Khurshid is a seasoned IT Pro with over 15 years of experience in the IT industry. He has experience in everything from IT support, helpdesk, sysadmin, network admin, and cloud computing. He is also certified in Microsoft Technologies (MCTS and MCSA) and also Cisco Certified Professional in Routing and Switching.

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