June 9, 2026—KB5094127 (OS Builds 19045.7417 and 19044.7417)
Applies To
Windows 10 ESUWindows 10 Enterprise LTSC 2021Windows 10 IoT Enterprise LTSC 2021
Release Date:
6/9/2026
Version:
OS Builds 19045.7417 and 19044.7417
This article lists the security issues and quality improvements included in this cumulative security update.
Windows 10, version 22H2Windows 10, version 21H2
Applies to: Windows 10 ESU
Important: Use EKB KB5015684 to update to Windows 10, version 22H2.
This security update includes fixes and quality improvements that are part of the following updates:
The following is a summary of the issues that this update addresses when you install this update. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.
[File Explorer] This update improves File Explorer search, including support for Chinese text, and UTF 8–encoded files without a byte order mark (BOM). Text now displays more clearly and consistently across search results, Content view, and tooltips.
[Secure Boot]
This update enables dynamic status reporting for Secure Boot states in Windows Security App.
This update adds a new policy setting, LimitSecureBootRequiredServiceData, under Computer Configuration > Administrative Templates > Windows Components > Secure Boot. When this setting is enabled, Windows limits the Secure Boot service data it sends by suppressing the event normally sent to Microsoft. This policy is also included in the Windows Restricted Traffic Limited Functionality Baseline package. For information about the policy, see [Manage...
7417