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MicrosoftKB4537794HistoryFeb 11, 2020 - 8:00 a.m.
February 11, 2020—KB4537794 (Security-only update)
2020-02-1108:00:00
Microsoft
support.microsoft.com
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February 11, 2020—KB4537794 (Security-only update)
Improvements and fixes
This security update includes quality improvements. Key changes include:
- Security updates to Microsoft Graphics Component, Windows Input and Composition, Windows Media, Windows Shell, Windows Fundamentals, Windows Cryptography, Windows Hyper-V, Windows Core Networking, Windows Peripherals, Windows Network Security and Containers, Windows Storage and Filesystems, and Windows Server.
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: |
- Perform the operation from a process that has administrator privilege.
- Perform the operation from a node that doesn’t have CSV ownership.
Microsoft is working on a resolution and will provide an update in an upcoming release.
How to get this update
| Before installing this updateMicrosoft strongly recommends 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 are using Windows Update, the latest SSU (KB4532920) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.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 StandardClassification: Security Update File informationFor a list of the files that are provided in this update, download the file information for update 4537794. |
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