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HistoryApr 11, 2023 - 7:00 a.m.

April 11, 2023—KB5025287 (Monthly Rollup)

2023-04-1107:00:00
Microsoft
support.microsoft.com
187
windows server 2012
end of support
extended security updates
kb5025287
security
improvements
known issues

CVSS3

9.8

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

AI Score

7.2

Confidence

High

EPSS

0.953

Percentile

99.4%

April 11, 2023—KB5025287 (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 programLearn 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 KB5023756 (released March 14, 2023). This update also makes improvements for the following issues:

  • By the March 1, 2023, order of the Arab Republic of Egypt, daylight savings time (DST) will resume on April 28, 2023, and end on October 27, 2023. This update applies to Egypt Standard Time - (UTC+02:00) Cairo.
  • Known compatibility issues exist with certain printer models which feature GDI printer drivers that do not completely adhere to GDI specifications.
    For more information about the resolved security vulnerabilities, please refer to the Deployments | Security Update Guide and the April 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 (KB5023791) 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

File information

For a list of the files that are provided in this update, download the file information for update KB5025287.

References

Learn about the standard terminology that is used to describe Microsoft software updates.

CVSS3

9.8

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

AI Score

7.2

Confidence

High

EPSS

0.953

Percentile

99.4%