August 9, 2022—KB5016629 (OS Build 22000.856)

^{NEW 8/26/22}

IMPORTANT Microsoft released KB5012170 on August 9, 2022. It provides support for Secure Boot Forbidden Signature Database (DBX). This is a standalone, security update. Windows 8.1 and newer clients and Windows Server 2012 and newer servers must install this update regardless of whether BitLocker is enabled or supported on your device. After you install the update, you might receive error “0x800f0922”; see Update might fail to install and you might receive a 0x800f0922 error. After you install the update, your device might start up in BitLocker recovery mode. See Some devices might start up into BitLocker Recovery and Finding your BitLocker recovery key in Windows.

For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 11 (original release), see its update history page.

Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.

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Highlights

Addresses a known issue that might prevent some of you from opening the Start menu.
Addresses security issues for your Windows operating system.

Improvements

This security update includes improvements that were a part of update KB5015882 (released July 21, 2022) and also addresses the following issues:

Addresses a known issue that might prevent some of you from opening the Start menu. On the affected devices, clicking or tapping the Start button or using the Windows keyboard shortcut might have no effect.

If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.

For more information about security vulnerabilities, please refer to the Security Update Guide website and the August 2022 Security Updates.

Windows 11 servicing stack update - 22000.826

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.

Known issues in this update

Applies to	Symptom	Workaround
IT admins	After installing this update, IE mode tabs in Microsoft Edge might stop responding when a site displays a modal dialog box. A modal dialog box is a form or dialog box that requires the user to respond before continuing or interacting with other portions of the webpage or app. Developer Note Sites affected by this issue call window.focus.	This issue is addressed in KB5016691. If you do not want to install this update, see the instructions below. This issue is resolved using Known Issue Rollback (KIR). Please note that it might take up to 24 hours for the resolution to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the resolution apply to your device faster. For enterprise-managed devices that have installed an affected update and encountered this issue can resolve it by installing and configuring the special Group Policy listed below. For information on deploying and configuring these special Group Policy, please see How to use Group Policy to deploy a Known Issue Rollback. Group Policy downloads with Group Policy name: Download for Windows 11 - Windows 11 (original release) KB5014019 220624_22553 Known Issue Rollback Important You will need to install and configure the Group Policy for your version of Windows to resolve this issue.
IT admins	After installing this update, XPS Viewer might be unable to open XML Paper Specification (XPS) documents in some non-English languages, including some Japanese and Chinese character encodings. This issue affects both XML Paper Specification (XPS) and Open XML Paper Specification (OXPS) files. When encountering this issue, you may receive an error, "This page cannot be displayed" within XPS Viewer or it might stop responding and have high CPU usage with continually increasing memory usage. When the error is encountered, if XPS Viewer is not closed it might reach up to 2.5GB of memory usage before closing unexpectedly. This issue does not affect most home users. The XPS Viewer is no longer installed by default as of Windows 10, version 1803 and must be manually installed.	This issue is addressed in KB5017383.
All users	Starting at 12:00 A.M. Saturday, September 10, 2022, the official time in Chile will advance 60 minutes in accordance with the August 9, 2022 official announcement by the Chilean government about a daylight saving time (DST) time zone change. This moves the DST change which was previously September 4 to September 10. Symptoms if the workaround is not used on devices between September 4, 2022 and September 11, 2022: Time shown in Windows and apps will not be correct. Apps and cloud services which use date and time for integral functions, such as Microsoft Teams and Microsoft Outlook, notifications and scheduling of meetings might be 60 minutes off. Automation that uses date and time, such as Scheduled tasks, might not run at the expected time. Timestamp on transactions, files, and logs will be 60 minutes off. Operations that rely on time-dependent protocols such as Kerberos might cause authentication failures when attempting to logon or access resources. Windows devices and apps outside of Chile might also be affected if they are connecting to servers or devices in Chile or if they are scheduling or attending meetings taking place in Chile from another location or time zone. Windows devices outside of Chile should not use the workaround, as it would change their local time on the device.	This issue is addressed in KB5017383.

Applies to

Symptom

Workaround

IT admins

After installing this update, IE mode tabs in Microsoft Edge might stop responding when a site displays a modal dialog box. A modal dialog box is a form or dialog box that requires the user to respond before continuing or interacting with other portions of the webpage or app.

Developer Note Sites affected by this issue call window.focus.

This issue is addressed in KB5016691. If you do not want to install this update, see the instructions below.

This issue is resolved using Known Issue Rollback (KIR). Please note that it might take up to 24 hours for the resolution to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the resolution apply to your device faster. For enterprise-managed devices that have installed an affected update and encountered this issue can resolve it by installing and configuring the special Group Policy listed below. For information on deploying and configuring these special Group Policy, please see How to use Group Policy to deploy a Known Issue Rollback.

Group Policy downloads with Group Policy name:

Download for Windows 11 - Windows 11 (original release) KB5014019 220624_22553 Known Issue Rollback

Important You will need to install and configure the Group Policy for your version of Windows to resolve this issue.

IT admins

After installing this update, XPS Viewer might be unable to open XML Paper Specification (XPS) documents in some non-English languages, including some Japanese and Chinese character encodings. This issue affects both XML Paper Specification (XPS) and Open XML Paper Specification (OXPS) files. When encountering this issue, you may receive an error, "This page cannot be displayed" within XPS Viewer or it might stop responding and have high CPU usage with continually increasing memory usage. When the error is encountered, if XPS Viewer is not closed it might reach up to 2.5GB of memory usage before closing unexpectedly.

This issue does not affect most home users. The XPS Viewer is no longer installed by default as of Windows 10, version 1803 and must be manually installed.

This issue is addressed in KB5017383.

All users

Starting at 12:00 A.M. Saturday, September 10, 2022, the official time in Chile will advance 60 minutes in accordance with the August 9, 2022 official announcement by the Chilean government about a daylight saving time (DST) time zone change. This moves the DST change which was previously September 4 to September 10.

Symptoms if the workaround is not used on devices between September 4, 2022 and September 11, 2022:

Time shown in Windows and apps will not be correct.
Apps and cloud services which use date and time for integral functions, such as Microsoft Teams and Microsoft Outlook, notifications and scheduling of meetings might be 60 minutes off.
Automation that uses date and time, such as Scheduled tasks, might not run at the expected time.
Timestamp on transactions, files, and logs will be 60 minutes off.
Operations that rely on time-dependent protocols such as Kerberos might cause authentication failures when attempting to logon or access resources.
Windows devices and apps outside of Chile might also be affected if they are connecting to servers or devices in Chile or if they are scheduling or attending meetings taking place in Chile from another location or time zone. Windows devices outside of Chile should not use the workaround, as it would change their local time on the device.

This issue is addressed in KB5017383.

How to get this update

Before installing this update

Microsoft 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

Release Channel	Available	Next Step
Windows Update and Microsoft Update	Yes	None. This update will be downloaded and installed automatically from Windows Update.
Windows Update for Business	Yes	None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies.
Microsoft Update Catalog	Yes	To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)	Yes	This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Windows 11 Classification: Security Updates

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 that are provided in this update, download the file information for cumulative update 5016629.

For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 22000.826.

August 9, 2022—KB5016629 (OS Build 22000.856)

Highlights

Improvements

Windows 11 servicing stack update - 22000.826

Known issues in this update

How to get this update

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