MC527787 – Take action: March 2023 security update available for all supported versions of Windows Icon

check before: 2023-03-28




Windows Desktop, World tenant


Change type:

Admin impact



The March 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. To be informed about the latest updates and releases, follow us on Twitter @WindowsUpdate.

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.

Highlights for the Windows 11 update:
This security update includes improvements that were a part of update KB5022913 (released February 28, 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:
Windows 11, version 22H2: KB5023706
Windows 11, version 21H2: KB5023698
Windows 10, version 22H2: KB5023696
Windows 10, version 21H2: KB5023696
Windows 10, version 20H2: KB5023696
Windows 10 Enterprise LTSC 2019 and Windows Server 2019: KB5023702
Windows 10 LTSB 2016 and Windows Server 2016: KB5023697
Windows 10 LTSB 2015: KB5023713
Windows 8.1, Windows Server 2012 R2: Monthly Rollup: KB5023765 / Security Only: KB5023764
Windows Server 2022: KB5023705
Windows Server 2012: Monthly Rollup: KB5023756 / Security Only: KB5023752
Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1: Monthly Rollup: KB5023769 / Security Only: KB5023759
Windows Server 2008 Service Pack 2: Monthly Rollup: KB5023755 / Security Only: KB5023754

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