January 11, 2022—KB5009585 (OS Build 10240.19177)

anuary 11, 2022—KB5009585 (OS Build 10240.19177)​

Windows 10
Release Date:
1/11/2022
Version:
OS Build 10240.19177
12/8/20
For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1507, see its update history page.

Highlights​

• Updates security for your Windows operating system.

Improvements and fixes​

This security update includes quality improvements. Key changes include:

• This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

For more information about the resolved security vulnerabilities, please refer to the new Security Update Guide website and the January 2022 Security Updates.

Known issues in this update​

Microsoft is not currently aware of any issues in this update.

How to get this update​

Before installing this update

Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU 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 (KB5001399) 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	Yes	None. This update will be downloaded and installed automatically from Windows Update.
Windows Update for Business	Yes	None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies.
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 10 Classification: Security Updates

File information

For a list of the files that are provided in this update, download the file information for cumulative update 5009585.

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