April 13, 2021—KB5001383 (Security-only update)
Applies To
Windows Server 2012 Windows Embedded 8 StandardRelease Date:
13/04/2021
Version:
Security-only update
Important: Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as "C" or "D" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the "B" or Update Tuesday release). 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 and fixes
This security update includes quality improvements. Key changes include:
-
Addresses a time zone change for Volgograd, Russia from UTC+4 to UTC+3 Moscow Standard Time (MSK).
-
Addresses a time zone change for The Republic of South Sudan from UTC+3 to UTC+2 Juba. For more information about this change, see KB 4601275.
-
Security updates to Windows Apps, Windows Input and Composition, Windows Hybrid Cloud Networkin2, Windows Kernel, and Windows Media.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
|
Symptom |
Workaround |
|
Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege. |
Do one of the following:
Microsoft is working on a resolution and will provide an update in an upcoming release. |
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 (KB5001401) 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 (KB5000800).
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, Windows Embedded 8 Standard Classification: Security Update |
File information
For a list of the files that are provided in this update, download the file information for cumulative update 5001383.
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