Microsoft has released new security updates (patch Tuesday for April 2021) for Windows 10 Operating system. Part of April 2021 patch update, Windows 10 KB5001330 available for version 20H2 and 2004 that brings to Build 19042.928 and Build 19041.928. Also, there is a new update KB5001337 for Windows 10 version 1909 bumps OS build 18363.1500.
Like previous Patch Tuesday releases, this Windows 10 update KB5001330 doesn’t come with any new features. Rather, the focus is on security, reliability improvements and fixes across the board.
Download Windows 10 KB5001330
Since Microsoft patch updates are mandatory updates, Windows 10 KB5001330 download and install automatically on devices running the latest Windows 10 version 20H2 and 2004. Once installed, you will need to restart the system for the changes to take effect.
To install this update using Windows Update, follow the steps below:
- Open Settings using windows key + I.
- Click Update & Security then Windows Update.
- In the right-hand pane, click on the Check for updates button.
Well If you are looking for the latest Windows 10 version 20H2 ISO click here.
As usual, the patch can be installed from the Update Catalog as well here Windows 10 KB5001330 Offline download links.
For Windows 10 Version 20H2
For Windows 10 Version 2004
To install the update, simply run the downloaded MSU file and Windows will automatically install the cumulative update.
Windows 10 KB5001330 Changelog
The latest patch update KB5001330 for Windows 10 version 20H2 comes with security improvements when Windows performs basic operations and using input devices such as a mouse, keyboard, or pen.
- Addresses a potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing. For more information, see CVE-2021-27092 and Policy CSP – Authentication.
- Fixes an issue with security vulnerabilities identified by a security researcher.
- Also fixes a bug in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC).
- In addition, the company has addressed a critical issue that could cause problems with the search bar in Explorer.
- The latest update also fixes a memory leak bug that could cause performance slowdowns.
Security updates to the Windows Shell, Windows Fundamentals, Windows Management, Windows Apps, Windows User Account Control (UAC), Windows Virtualization, the Windows Kernel, the Microsoft Graphics Component, Internet Explorer, Microsoft Edge Legacy, and Windows Media.
You can read the complete changelog, listed Microsoft support site here.
System and user certificates may be lost when updating from Windows 10 version 1809 or later to a newer version of Windows 10. This happens mainly when managed devices are updated using outdated bundles or media according to Microsoft. Devices that use Windows Update or Windows Update for Business are not impacted.
Microsoft suggests Go back to the previous version of Windows to fix the issue.
- Issue with the Microsoft Japanese Input Method Editor and Kanji / Furigana characters.
- Some devices, created using custom offline media or ISO images, may have Edge Legacy removed but not replaced by the new Edge. Microsoft has a workaround for this
Uninstall Windows 10 KB5001330
If installing KB5001330 causing issues on your device you can uninstall the update to revert the changes.
Uninstall KB5001330 using the Windows Update History tool
- Go to Windows Settings (Windows key + i) –> Update & Security –> Windows Update.
- From the right-hand pane, click on View Update History.
- Now click on Uninstall updates.
- Select Update for Microsoft Windows (KB5001330) and press the Uninstall button.
Uninstall KB5001330 using command-line
Another quick way to uninstall this update is by using the command prompt. Here are the commands:
- Open Command Prompt (Run –> cmd)
- Run the following command:
wmic qfe list brief /format:table
- This will show all the updates installed on the computer. Make sure KB4556799 is on the list.
- To uninstall the update, run the following command
wusa /uninstall /kb:KB5001330
The system needs to be restarted after uninstalling the update.
Windows 10 KB5001337
Also, there is a new update KB5001337 available for PCs with Windows 10 version 1909 aka November 2019 Update.
Installing KB5001337 brings up Windows 10 Build 18362.1500 and resolved security issues when using input devices such as a mouse, keyboard, or pen. Also, improve security when Windows performs basic operations.
Addresses an issue with security vulnerabilities identified by a security researcher.
Fixes a potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing from the third-party endpoints used for federated authentication.
Security updates to Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows Cryptography, the Windows AI Platform, Windows Hybrid Cloud Networking, the Windows Kernel, Windows Virtualization, and Windows Media.
- System and user certificates may be lost when updating from Windows 10 version 1809 or later to a newer version of Windows 10. This happens mainly when managed devices are updated using outdated bundles or media according to Microsoft. Devices that use Windows Update or Windows Update for Business are not impacted. Microsoft suggests rollback to the previous version of Windows to fix the issue.
Read the complete changelog Microsoft support site here.
Microsoft has also announced KB5001342 for devices still running, Windows 10 version 1809 that addresses a possible elevation of privilege vulnerability in the win32k component.
Windows 10 version 1803 has reached the end of support but Microsoft has released update KB5001339 (OS Build 17134.2145) to fix several problems.
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