Applies To
Windows Server, version 23H2

Windows Secure Boot certificate expiration 

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. For details and preparation steps, see Windows Secure Boot certificate expiration and CA updates.

Summary

This update makes improvements to Windows setup binaries or any files that setup uses for feature updates.

How to get this update

Install this update

To install this update, use one of the following release channels.

Available

Next step

Available

This update is available through Windows Update. It will be downloaded and installed automatically.

Prerequisites

There are no prerequisites to apply this update.

Restart information

You do not have to restart your computer after you apply this update.

Update replacement information

This update replaces the previously released update KB5068795.

File information

The English (United States) version of this software update installs files that have the following attributes. This update might contain files for additional languages.

File name

File version

Date

Time

File size

appraiser.sdb

Not versioned

13-Jan-26

19:26

2,777,691

bootsvc.dll

10.0.25398.2140

13-Jan-26

19:26

298,968

cmi2migxml.dll

10.0.25398.2140

13-Jan-26

19:26

222,624

csiagent.dll

10.0.25398.2140

13-Jan-26

19:26

714,144

migcore.dll

10.0.25398.2140

13-Jan-26

19:26

9,270,728

mighost.exe

10.0.25398.2140

13-Jan-26

19:26

284,064

migisol.dll

10.0.25398.2140

13-Jan-26

19:26

144,840

migres.dll

10.0.25398.2140

13-Jan-26

19:26

26,016

MigStore.dll

10.0.25398.2140

13-Jan-26

19:26

1,295,816

MigSys.dll

10.0.25398.2140

13-Jan-26

19:26

460,232

MXEAgent.dll

10.0.25398.2140

13-Jan-26

19:26

386,464

ReAgent.dll

10.0.25398.2140

13-Jan-26

19:26

603,552

IOSchedFilter-Replacement.man

Not versioned

13-Jan-26

19:26

917

Microsoft-Windows-NetworkController-Framework-Replacement.man

Not versioned

13-Jan-26

19:26

959

VsmKeyMigPlugin.dll

10.0.25398.2140

13-Jan-26

19:26

107,936

tcblaunch-replacement.man

Not versioned

13-Jan-26

19:26

1,935

Setup.exe

10.0.25398.2140

13-Jan-26

19:26

333,216

SetupPlatform.cfg

Not versioned

13-Jan-26

19:26

19,051

SetupPlatform.dll

1.80.25398.2140

13-Jan-26

19:26

9,213,344

SetupPlatform.exe

1.80.25398.2140

13-Jan-26

19:26

243,144

SetupPrep.exe

10.0.25398.2140

13-Jan-26

19:26

1,328,544

SFPATRS1.INF

Not versioned

13-Jan-26

19:26

169,730

upgradeagent.dll

10.0.25398.2140

13-Jan-26

19:26

3,306,912

winsetup.dll

10.0.25398.2140

13-Jan-26

19:26

3,044,768

WinSetupBoot.sys

10.0.25398.2140

13-Jan-26

19:26

112,032

WinSetupMon.sys

10.0.25398.2140

13-Jan-26

19:26

132,536

References

Description of the standard terminology that is used to describe Microsoft software updates

Query words: Setup DU

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