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Take action: February 2023 security update available for all supported versions of Windows

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MC515227 · Windows all versions, SharePoint Development

From Microsoft Corporation
Technical Bulletin MC515227 · Published Feb 14, 2023

Message Summary

The February 2023 security update release, referred to as our “B” release, is now available for Windows 11 and all supported versions of Windows 10. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from the Windows 11 and Windows 10 update history pages. For instructions on how to install this update on your home device, check the Update Windows article. To learn more about the different types of monthly quality updates, see our Windows quality updates primer. 

IMPORTANT After March 2023, there are no more optional, non-security preview releases for the supported editions of Windows 10, version 20H2 and Windows 10, version 21H2. Only cumulative monthly security updates (known as the “B” or Update Tuesday release) will continue for these versions. Windows 10, version 22H2 will continue to receive security and optional releases.

REMINDER Today, February 14, 2023, the retired, out-of-support Internet Explorer 11 desktop application will be permanently turned off using a Microsoft Edge update on certain versions of Windows 10. See the Internet Explorer 11 desktop app retirement FAQ for more information.

Highlights for the Windows 11 update: 

  • This security update includes improvements that were a part of update KB5022360 (released January 26, 2023).
  • This update makes quality improvements to the servicing stack, which is the component that installs Windows updates.

Short on time? Watch our short Windows 11 update release notes video for this month’s tips. 

For instructions on how to install this update for your operating system, see the KB for your OS listed below: 

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