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update
January 12, 2022
Microsoft rolled out the Windows 10 KB5009543 cumulative update on January 11 for Windows 10 21H2, 21H1, and 20H2, upgrading the system version numbers to Build 19042.1466, 19043.1466, and 19044.1466, respectively. If you are using the Consumer Edition, this update does not apply to the May 2020 Update (version 2004), but the same update will be available on devices using the Enterprise or Education SKUs.
The update is available through Windows Update, WSUS, and the Microsoft Update Catalog. It contains numerous bug fixes and performance enhancements.
Full list of updates:
Windows 10 version 1507 - KB5009585 (OS internal version 10240.19177)
Windows 10 version 1607 - KB5009546 (OS internal version 14393.4886)
Windows 10 version 1703 - EOS
Windows 10 version 1709 - EOS
Windows 10 version 1803 - EOS
Windows 10 version 1809 - KB5009557 (OS internal version 17763.2452)
Windows 10 version 1903 - EOS
Windows 10 version 1909 - KB5009545 (OS internal version 18363.2037)
Windows 10 versions 2004, 20H2 and 21H1 - KB5009543 (OS internal versions 19042.1466, 19043.1466 and 19044.1466)
As with each Tuesday patch, you can check for and install new updates by going to Settings, clicking Windows Update, and selecting Check for Updates to install updates.
Windows 10 KB5009543 changelog:
- Resolves an issue that prevented proper writing of Active Directory (AD) properties during Lightweight Directory Access Protocol (LDAP) modification operations when users performed multiple attribute changes.
- Fixed a known issue with Japanese Input Method (IME). When users typed using the Japanese input method, text could appear out of order or the text cursor could move unexpectedly in applications that use the Multi-Byte Character Set (MBCS). This bug affects not only Microsoft's own Japanese input methods, but also third-party Japanese input methods.
- Update the security of Windows OS. This update provides quality improvements to the service stack (the component that installs Windows updates). Service Stack Update (SSU) ensures that you have a robust and reliable service stack so that your device can receive and install Microsoft updates.
- This update provides quality improvements to the service stack (the component that installs Windows updates). Service Stack Update (SSU) ensures that you have a robust and reliable service stack so that your device can receive and install Microsoft updates.