Last week there was a lot of news about PrintNightmare – a vulnerability in the Windows Print Spool service that could allow hackers to take control of your PC under certain conditions.
And today, Microsoft has now officially released a patch to fix the bug and urges all Windows users to install it as soon as possible.
Here are the ways to update the patch
Access Windows Update
You can come in Settings > Update & Security > left select item Windows Security and click on option Check for Updates in the right interface. After that, Windows 10 will start checking for updates.
If you are using the latest version of Windows, which includes the May 2021 Update (21H1) to the May 2020 Update (20H1), you need to make sure that you see the patch with code KB5004945 listed in Windows Update to fix PrintNightmare. This is an automatic patch for Windows 10 Home, Pro and other versions of Windows 10 to fix the problem.
Let Windows 10 download the update and install it in the background. After a few minutes, you will be prompted to restart your computer using the . button Restart Now. After you reboot, everything should be fixed.
Download via Microsoft Update Catalog
In case you do not see the patches mentioned above, then you can download them manually by visiting the Microsoft Update Catalog. Detail here.
Note, patch KB5004945 applies to all latest versions of Windows 10, while KB5004946 for Windows 10 November 2019 Update, and code KB5004949 for Windows 10 April 2018 Update or version 1803 .
On other versions of Windows
If you are using an earlier version of Windows, (Windows 8.1 or Windows 7 via extended support), the KB versions will be different.
You’ll need to go to Windows Update and check for updates the same way you normally would. On Windows 8.1 you will see the patch is KB5004954. Whereas on Windows 7, you will see it as KB5004953.