October 10, 2023—KB5031427 (Security-only update)
Applies To
Windows Server 2012Release Date:
10/10/2023
Version:
Security-only update
IMPORTANT
-
Windows Server 2012 reached end of support (EOS) on October 10, 2023. Extended Security Updates (ESUs) are available for purchase and will continue for three years, renewable on an annual basis, until the final date on October 13, 2026. For more information, see Windows Server End of Support: Key Dates. For information about the procedure to continue receiving security updates, see KB5031043. We recommend that you upgrade to a later version of Windows Server.Learn about the ESU programLearn about upgrading Windows Server
-
Windows Embedded Standard 8 reached end of support (EOS) on July 11, 2023. Therefore, technical assistance and software updates are no longer provided.
Summary
Learn more about this security-only update, including improvements, any known issues, and how to get the update.
NOTE 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.
Improvements
This update makes improvements for the following issues:
-
Addresses an issue in which an external bind might fail after Windows updates released on or after May 2023 are installed. This leads to issues with Lightweight Directory Access Protocol (LDAP) queries and authentication.
-
Addresses an issue in which the Windows product key installation and Windows activation might fail after installing the September 12, 2023 Windows Server 2012 update.
-
This update includes daylight saving time (DST) changes for Greenland. For more information, see the Daylight Saving Time & Time Zone Blog.
For more information about the resolved security vulnerabilities, please refer to the Deployments | Security Update Guide and the October 2023 Security Updates.
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 use Windows Update, the latest SSU (KB5031469) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
REMINDER If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer (KB5031355).
Language packs
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.
Learn about adding a language pack to Windows
Install this update
|
Release Channel |
Available |
Next Step |
|
Windows Update and Microsoft Update |
No |
See the other options below. |
|
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
|
Windows Server Update Services (WSUS) |
Yes |
This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Windows Server 2012 Classification: Security Update |
File information
For a list of the files that are provided in this update, download the file information for update KB5031427.
References
Learn about the standard terminology that is used to describe Microsoft software updates.
Need more help?
Want more options?
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
