IMPORTANT For Windows Server 2012, the end of support (EOS) date is October 10, 2023. Extended Security Updates (ESUs) will be available for purchase no later than October 2022, but available for installation after the EOS date, October 10, 2023. ESUs will continue for three years, renewable on an annual basis, until the final date on October 13, 2026.
Learn more about this security-only update, including improvements, any known issues, and how to get the update.
Verify that you have installed the required updates listed in the How to get this update section before installing this update.
For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows Server 2012 update history home page.
This cumulative security update contains improvements that are part of update KB5026419 (released May 9, 2023). This update also contains miscellaneous security improvements to internal Windows OS functionality. No specific issues are documented for this release.
Known issues in this update
We are currently not aware of any issues with this update.
How to get this update
Before installing this update
We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update.
Install this update
Windows Update and Microsoft Update
None. This update will be downloaded and installed automatically from Windows Update.
Microsoft Update Catalog
To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)
This update will automatically sync with WSUS if you configure Products and Classifications as follows:
Product: Windows Server 2012, Windows Embedded 8 Standard
Classification: Security Updates
For a list of the files that are provided in this update, download the file information for update KB5027283.
Learn about the standard terminology that is used to describe Microsoft software updates.