November 18, 2025—KB5072359 (OS Build 26100.7178) Out-of-band
Applies To
Release Date:
11/18/2025
Version:
OS Build 26100.7178
​​​​This out-of-band update for Windows Server 2025 (KB5072359) is cumulative. It includes updates from previous security and non-security releases, along with an additional fix. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates.
To view the latest updates about this release, visit the Windows release health dashboard or the update history page for Windows Server 2025.Â
Announcements and messages
This section provides key notifications related to this release, including announcements, change logs, and end-of-support notices.
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.
Improvements
This out-of-band (OOB) update includes quality improvements. This update is cumulative and includes security fixes and improvements from the November 11, 2025, security update (KB5068861) in addition to the following:
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[Upgrade to Windows Server 2025] Fixed: On some Intel C2030 systems with Samsung Non-Volatile Memory Express (NVMe) devices running Windows Server 2022, the upgrade to Windows Server 2025 might fail. Affected systems might fail to boot with error code 0x7B indicating INACCESSIBLE_BOOT_DEVICE error. This occurs when an NVMe device sends an Asynchronous Event Notification (AEN) error during startup. This OOB update defers AEN enablement until initialization completes, preventing boot failures.  To resolve this issue, IT admins need to apply this OOB update to the Windows Server 2025 Operating System (OS) upgrade image before upgrading Windows Server 2022 devices to Windows Server 2025.
Windows Server 2025 servicing stack update (KB5067035) - 26100.7010
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.
Known issues in this update
After installing KB5070881Â or later updates, Windows Server Update Services (WSUS) does not display synchronization error details within its error reporting. This functionality is temporarily removed to address the Remote Code Execution Vulnerability, CVE-2025-59287.Â
How to get this update
Before you install this update
​​​​​​​Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
Install this update
To install this update, use one of the following Windows and Microsoft release channels.
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See the Catalog option. |
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See the Catalog option. |
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Before you install this update To get the standalone package(s) for this update, go to the Microsoft Update Catalog website. This KB contains one or more MSU files that require installation in a specific order. Install this update Method 1: Install all MSU files together Download all MSU files for KB5072359 from Microsoft Update Catalog and place them in the same folder (for example, C:/Packages). Use Deployment Image Servicing and Management (DISM.exe) to install the target update. DISM will use the folder specified in PackagePath to discover and install one or more prerequisite MSU files as needed. Updating Windows PC To apply this update to a running Windows PC, run the following command from an elevated Command Prompt:
Or, run the following command from an elevated Windows PowerShell prompt:
Or use Windows Update Standalone Installer to install the target update. Updating Windows Installation media To apply this update to Windows Installation media, see Update Windows installation media with Dynamic Update. Note: When downloading other Dynamic Update packages, ensure they match the same month as this KB. If the SafeOS Dynamic Update or Setup Dynamic Update is not available for the same month as this KB, use the most recently published version of each. To add this update to a mounted image, run the following command from an elevated Command Prompt:
Or, run the following command from an elevated Windows PowerShell prompt:
​​​​​​​​​​​​​​ Method 2: Install each MSU file individually, in order Download and install each MSU file individually either using DISM or Windows Update Standalone Installer in the following order:
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1 This latest cumulative update includes updates for AI components. Even though the AI component updates are included in the update, the AI components are only applicable to Windows Copilot+ PCs and will not install on Windows PC or Windows Server.
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See the Catalog option. |
If you want to remove the LCU
To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command: DISM /online /get-packages.
Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.
File Information
For a list of the files provided in this update, download the file information for cumulative update 5072359.Â
For a list of the files provided in the servicing stack update, download the file information for the SSU (KB5067035) - version 26100.7010.Â
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