Patchday: Windows 10 Updates (January 9, 2024)

[German]On January 9 (second Tuesday of the month, Patchday at Microsoft), various cumulative updates were released for the supported Windows 10 builds (from the RTM version to the current version) as well as for the Windows Server counterparts. Here are some details on the respective security updates for Windows 10.

A list of the updates can be found on this Microsoft website. I have extracted the details below. Since March 2021, Microsoft has been integrating the Servicing Stack Updates (SSUs) for newer Windows 10 builds into the cumulative update. March 2023 will be the last time preview updates will be available for older Windows 10 builds.

Updates for Windows 10 Version 21H1-22H2

For the Windows 10 versions mentioned above, Microsoft only provides one update package, which is named below.

Update KB5034122 for Windows 10 Version 21H1 – 22H2

Cumulative Update KB5034122 raised the OS build for all Windows 10 variants to 1904x.3930 – with 21H2, only the Enterprise variant will receive the update. The update only contains security fixes, but no new operating system functions. For the cumulative update it simply says:

This update addresses security issues for your Windows operating system.

The following fixes are also listed in the support article.

• This update addresses an issue that affects the ActiveX scroll bar. It does not work in IE mode.
• This update addresses an issue that causes your device to shut down after 60 seconds. This occurs when you use a smart card to authenticate on a remote system.
• This update addresses an issue that affects the display of a smart card icon. The icon does not appear when you sign in. This occurs when there are multiple certificates on the smart card.

Microsoft also points out that this update makes quality improvements to the Servicing Stack (responsible for Microsoft updates). This update is automatically downloaded and installed by Windows Update, but is also available in the Microsoft Update Catalog and via WSUS and WUfB. Please note the information on installation and known problems described in the support article.

Updates for Windows 10/Server 2019

The following updates are available for Windows 10 Enterprise 2019 LTSC and Windows Server 2019.

Update KB5034127 for Windows 10 Enterprise 2019 LTSC /Windows Server 2019

Cumulative Update KB5034127 (is sorted under Windows 10 v1809, but refers to the 2019 versions and) and includes quality improvements but no new operating system features. This update is only available for Windows 10 2019 Enterprise LTSC and IoT Enterprise LTSC (the remaining versions will no longer receive security updates on May 11, 2021) and Windows Server 2019.

Microsoft lists a number of fixes under KB5034127. The update is automatically downloaded and installed by Windows Update, but is also available in the Microsoft Update Catalog, via WSUS and WUfB. Microsoft has also updated the Service Stack Update (SSU). Please note the installation sequence described in the support article and also the notes on further requirements. Microsoft states known problems for the update in the support article.

Updates for Windows 10 Version 1507 till 1607

Updates for the Enterprise LTSC versions are available for Windows 10 RTM up to version 1607. These updates are automatically downloaded and installed by Windows Update, but are available for download in the Microsoft Update Catalog (search for the KB number). The latest Servicing Stack Update (SSU) must be installed before manual installation. Details can be found in the respective KB article.

• Windows 10 Version 1607: Update KB5034119 is only available for Enterprise LTSC and Windows Server 2016. The update addresses security issues and other problems.
• Windows 10 Version 1507: Update KB5034134 is available for the RTM version (LTSC). The update fixes vulnerabilities and bugs.

There was no update for the remaining Windows 10 versions, as these versions have fallen out of support. If in doubt, details on the above updates can be found in the respective Microsoft KB articles.

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