Windows Update KB5010342: Everything You Need To Know

Windows Update KB5010342

If you are a Windows user, you might be wondering What is KB5010342. Microsoft released this security update on 8 February 2022 in response to remote code execution to the target systems. KB5010342 addresses a critical security flaw that could allow arbitrary code execution on vulnerable systems. 

This blog gives know-how about KB5010342, its downloading process, and other related problems.

How to download windows update KB5010342?

If you’re not sure how to install the update, don’t worry. We’ve got you covered. Just follow the instructions below, and you’ll be up and running.

  1. Click the search bar on the right side of the windows icon.
  2. In the search box, enter KB5010342 and then press Enter on your keyboard.
  3. On the KB5010342 page that appears, click the Download button.
  4. On the next page, select the appropriate download for your version of Windows (32-bit or 64-bit) and then click the Next button.

5. Select a download location and click the Next button on the next page.

6. Once the download is complete, run the downloaded file to install KB5010342 on your Windows 10 computer.

 7. Reboot your computer for the changes to take effect.

8. That’s it! You’ve installed KB5010342 on your Windows 10 computer.

What Vulnerabilities Does Update KB5010342 Fix?

Microsoft released Update KB5010342 to fix various vulnerabilities in the Windows operating system. These vulnerabilities could allow attackers to gain control of a target system or cause Denial of Service (DoS) conditions.

This update addresses the following vulnerabilities:


A local elevation of privilege vulnerability exists when the Win32k component fails to handle objects in memory properly. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.


A Remote Code Execution (RCE) vulnerability exists when the Microsoft Graphics Component fails to handle objects in memory properly. The attacker could take control of an affected system and interfere with sensitive data and accounts.


 A Denial of Service (DoS) vulnerability exists when the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets. A successful exploit could allow the attacker to cause the system to stop responding, resulting in a Denial of Service condition.

If you haven’t installed this update yet, check your windows updates. It’ll keep you from unwanted cyber-attacks. 

How big is KB5010342?

KB5010342 is between 307.8 MB to 686 MB depending on your Windows 10 version. It’s a security-only update that only includes security fixes and no new features or other changes.

Are There Any Problems With KB5010342

It is strongly recommended that users apply this update as soon as possible. However, some users have reported experiencing problems after installing this update, including slow performance, blue screen errors, and system crashes. Other issues include 

  • This update may remove Microsoft Edge Legacy from devices, but it will not immediately replace it with the new Microsoft Edge. You can sort this by installing the latest Microsoft Edge directly.
  • When you apply this update and select “Remove everything,” it might not remove locally synced files.
  • The error message may appear on Windows devices connected to Bluetooth devices. Notifications like “There was an issue with your device, and it needs to be restarted” appear on a blue screen.

Seeing these problems, you might wonder, Is KB5010342 safe? Well, KB5010342 is considered safe to install and should not cause any problems with your system. However, as with any Windows update, you should always create a backup of your data before proceeding.

How To Uninstall KB5010342?

If you need to uninstall KB5010342, follow the instructions below.

  • Go to Start > Settings > Update & security > Windows Update.
  • Click View update history.
  • Find and select KB5010342 in the list of updates.
  • Click the Uninstall button.
How To Uninstall KB5010342
  • Follow the prompts to complete the uninstallation.

KB5010342 is now uninstalled from your system. If you need to reinstall it, you can download it from the Microsoft Update Catalog.