Windows Secure Boot certificate expirationÂ
Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. Â
For details and preparation steps for Windows devices, see Windows Secure Boot certificate expiration and CA updates.
For details and preparation steps for Windows servers, see the following resources:
Summary
This servicing stack update (SSU) makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates make sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.
Important Not installing the latest SSU before applying Windows updates might result in the Windows update not being offered until the latest SSU is installed.
How to get this update
Install this update
To install this update, use one of the following release channels.
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This update is available through Windows Update. It will be downloaded and installed automatically. |
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To get the standalone package for this update, go to the Microsoft Update Catalog website. To download updates from the Update Catalog, see Steps to download updates from the Windows Update Catalog. |
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This update will automatically sync with Windows Server Update Services (WSUS) if you configure Products and Classifications as follows:
To set up your WSUS server to sync based on products and classifications, see Synchronizing Update by Product and Classification. To manually import updates into WSUS, see Import updates into WSUS by using PowerShell. |
More information about this updateÂ
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Prerequisites |
There are no prerequisites to apply this update. |
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Restart information |
You don't have to restart your computer after you apply this update. |
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Removal information |
Servicing stack updates (SSUs) make changes to how updates are installed and cannot be uninstalled from the device. |
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Update replacement information |
This update replaces the previously released update KB5075902. |
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File information |
A list of the files that are included in this update are provided in a CSV (Comma delimited) (*.csv) file. The file can be opened in a text editor such as Notepad or in Microsoft Excel. Note: The English (United States) version of this software update might contain files for additional languages.
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References
Servicing Stack Updates (SSU): Frequently Asked Questions
ADV990001 | Latest Servicing Stack Updates
The benefits of Windows 10 Dynamic Update
Updating Windows 10 media with Dynamic Update packages
Description of the standard terminology that is used to describe Microsoft software updates
