June 13, 2023—KB5027283 (Monthly Rollup)

2023-06-1307:00:00

Microsoft

support.microsoft.com

windows server 2012

end of support

extended security updates

esu

security update guide

language packs

microsoft update catalog

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7 High

AI Score

Confidence

High

0.095 Low

EPSS

Percentile

94.8%

JSON

June 13, 2023—KB5027283 (Monthly Rollup)

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 the ESU program Learn more about upgrading Windows Server

Summary

Learn more about this security-only update, including improvements, any known issues, and how to get the update.

NOTES

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 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.For more information about the resolved security vulnerabilities, please refer to the Deployments | Security Update Guide and the June 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 updateWe 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 (KB5027575) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.Language packsIf 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 WindowsInstall this update****Release Channel	Available	Next Step
Windows Update and Microsoft Update	Yes	None. This update will be downloaded and installed automatically from Windows Update.
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, Windows Embedded 8 StandardClassification: Security Updates