Download windows 10 KB5019959 for version 22H2 and 21H2

Microsoft has released Windows 10 KB5019959 and KB5019966 for versions 22H2 and 1809 to fix security vulnerabilities, different bugs and performance issues. Here is whats new.

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Microsoft has released a new security update KB5019959 for the latest Windows 10 version 22H2. The same update applies to Windows 10 versions 21H1 and 21H2 as well. Installing this update bumps to Windows 10 build 19045.2251 and the focus is on security, reliability improvements, and fixes across the board. In addition to Windows Update, direct download links for Windows 10 KB5019959 offline installers are also available.

Download Windows 10 KB5019959

The latest update KB5019959 only applicable for All devices running Windows 10 versions 22H2, 21H2, and 21H1. Well, this is an Important update, download and install automatically when your device is connected to Microsoft server. Also, you can manually install KB5019959 following the steps below.

As per usual, this update is mandatory and it will be installed automatically at some point if you don’t choose to do it yourself.

  • Right-click on the start menu select settings,
  • Go to Update & security then windows update,
  • Now click the Check for updates button, and you will notice KB5019959 started downloading,
  • Once done you need to restart your PC to apply the updates. After that, Windows 10 bumps to OS build 19044.2251 you can check the same using winver command.

Download windows 10 KB5019959

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Windows 10 KB5019959 Direct Download Links: 64-bit and 32-bit (x86).

If you are looking for Windows 10 version 22H2 ISO you can get it from here.

What’s new on Windows 10 Build 19045.2251

Installing windows 10 KB5019959 bumps OS Build 19045.2251 which includes quality improvements and several bug fixes. The company noted their release note, This update contains miscellaneous security improvements to internal OS functionality. And also includes all fixes and changes in KB5018482 Preview Update for Windows 10 Version 22H2, 21H2, 21H1. Some of the highlighted changes and improvements include:-

  • Addressed an issue where the operating system would stop responding and eventually fail to execute any running process.
  • A recent bug has been fixed where Microsoft Direct3D 9 games would not work properly as the graphics hardware will stop working if the hardware does not have a native Direct3D 9 driver.
  • The latest update also fix an issue that affects Distributed Component Object Model (DCOM) authentication hardening. It also addresses a DCOM issue that affects the Remote Procedure Call Service (rpcss.exe).
  • Microsoft fixed an issue that affects Microsoft Edge in IE Mode. In this case, a bug prevented the windows pop-ups and tabs are wrong.
  • With the recent windows update the company also resolve an issue that affects the lasso tool in a graphics editing program.
  • It addresses an issue that affects some drivers. They use more power when you play hardware-protected digital rights management (DRM) content.
  • It addresses an issue that affects a remote desktop virtual desktop infrastructure (VDI) scenario. The session might use the wrong time zone.
  • It updates the Windows kernel vulnerable driver blocklist that is in the DriverSiPolicy.p7b file.

you can read the complete changelog here.

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Known issues:

Microsoft Edge Legacy may have been removed on devices with Windows installations created from custom offline media or ISO images, but the browser may not have been replaced by the new Edge.

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Microsoft OneDrive might unexpectedly close, and you might receive an error while Sign out or unlink your account in the Microsoft OneDrive sync app and Uninstalling the OneDrive sync app might fail.

Windows 10 Build 17763.3650

The latest Windows 10 KB5019966 for version 1809 brings several security bug fixes and general quality improvement.

  • Addresses an issue that affects Distributed Component Object Model (DCOM) authentication hardening. Also, fix a DCOM issue that affects the Remote Procedure Call Service (rpcss.exe).
  • Today’s update for windows 10 1809 addresses an issue that affects the Microsoft Azure Active Directory (AAD) Application Proxy connector. Also fix an issue that affects the font of three Chinese characters. When you format these characters as bold, the width size is wrong.
  • It updates the Windows kernel vulnerable driver blocklist that is in the DriverSiPolicy.p7b file. This update also ensures that the blocklist is the same across Windows 10 and Windows 11.
  • It also addresses an issue that affects focus order. This issue occurs when you tab from the password field on a credentials page. And fix an issue that affects the Forest Trust creation process.
  • Microsoft also addresses a timing condition in Remote Desktops. It causes a device to stop working during the licensing process. And addresses an issue that affects the Server Manager.
  • The company noted they have fix an issue that causes the Host Networking Service to stop working. This leads to traffic interruptions. It also addresses an issue that might occur when you enable deduplication. The issue might cause a deadlock.
  • It addresses security vulnerabilities in the Kerberos and Netlogon protocols as outlined in CVE-2022-38023, CVE-2022-37966, and CVE-2022-37967.

Known issues:

  • Cluster Service might fail to start because a Cluster Network Driver is not found.

You can read the complete changelog on the support site here.

If you face any difficulty installing updates KB5019959 here read our Windows update troubleshooting guide.

Also, there is a new update KB5019980 available for the older version of Windows 11 you can read the changelog here.

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