February 9, 2021—KB4601349 (Security-only update)

IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as «C» releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the «B» or Update Tuesday release).

For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history home page.

Improvements and fixes

This security update includes quality improvements. Key changes include:

Adds historical daylight saving time (DST) updates and corrections for the Palestinian Authority.

Addresses an issue with German translations of Central European Time.

Updates the Netlogon Elevation of Privilege Vulnerability (CVE-2020-1472) to enable Enforcement mode. For more details, see CVE-2020-1472 and How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472.

Security updates to Windows App Platform and Frameworks, Windows Hybrid Cloud Networking, and Windows Core Networking.

For more information about the resolved security vulnerabilities, please refer to the new Security Update Guide website.

Known issues in this update

Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.

Do one of the following:

Perform the operation from a process that has administrator privilege.

Perform the operation from a node that doesn’t have CSV ownership.

Microsoft is working on a resolution and will provide an update in an upcoming release.

How to get this update

Before installing this update

We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

If you use Windows Update, the latest SSU (KB4566425) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

REMINDER If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer (KB4586768).

November 10, 2020—KB4586823 (Security-only update)

IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as «C» releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the «B» or Update Tuesday release).

NEW 11/10/20
For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history home page.

Improvements and fixes

This security update includes quality improvements. Key changes include:

Corrects the DST start date for the Fiji Islands to December 20, 2020.

Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, “The request is not supported.” in event ID 372 in the PrintService\Admin event log. To address this issue going forward, make sure your applications or services run as a specific user or service account.

Security updates to Windows Graphics, Windows Silicon Platform, Windows Authentication, Windows Core Networking, Windows Peripherals, Windows Network Security and Containers, Windows Hybrid Storage Services, and Windows Remote Desktop.

For more information about the resolved security vulnerabilities, please refer to the new Security Update Guide website.

Known issues in this update

Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.

Do one of the following:

Perform the operation from a process that has administrator privilege.

Perform the operation from a node that doesn’t have CSV ownership.

Microsoft is working on a resolution and will provide an update in an upcoming release.

After installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how CVE-2020-17049 was addressed in these updates.

For specific symptoms and behaviors related to this issue, please see the Windows release health page.

Note This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.

This issue is resolved in KB4594439.

How to get this update

Before installing this update

We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

If you use Windows Update, the latest SSU (KB4566425) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

REMINDER If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer (KB4586768).

September 8, 2020—KB4577053 (Security-only update)

NEW
IMPORTANT Extended support for Windows Embedded Standard 7 Service Pack 1 (WES 7) ends on October 13, 2020. Customers who have purchased the Extended Security Update (ESU) for on-premises versions of some operating systems must follow specific procedures to continue receiving security updates. For more information, see KB4522133.

IMPORTANT Starting in July 2020, all Windows Updates will disable the RemoteFX vGPU feature because of a security vulnerability. For more information about the vulnerability, seeCVE-2020-1036 and KB4570006. After you install this update, attempts to start virtual machines (VM) that have RemoteFX vGPU enabled will fail, and messages such as the following will appear:

If you re-enable RemoteFX vGPU, a message similar to the following will appear:

“The virtual machine cannot be started because all the RemoteFX-capable GPUs are disabled in Hyper-V Manager.”

“The virtual machine cannot be started because the server has insufficient GPU resources.”

«We no longer support the RemoteFX 3D video adapter. If you are still using this adapter, you may become vulnerable to security risk. Learn more (https://go.microsoft.com/fwlink/?linkid=2131976)”

IMPORTANT Verify that you have installed the required updates listed in the How to get this update section before installing this update.

IMPORTANT WSUS scan cab files will continue to be available for Windows 7 SP1 and Windows Server 2008 R2 SP1. If you have a subset of devices running these operating systems without ESU, they might show as non-compliant in your patch management and compliance toolsets.

IMPORTANT Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in KB4522133 to continue receiving security updates after extended support ends on January 14, 2020. For more information on ESU and which editions are supported, see KB4497181.

IMPORTANT Starting on January 15, 2020, a full-screen notification will appear that describes the risk of continuing to use Windows 7 Service Pack 1 after it reaches end of support on January 14, 2020. The notification will remain on the screen until you interact with it. This notification will only appear on the following editions of Windows 7 Service Pack 1:

Note The notification will not appear on domain-joined machines or machines in kiosk mode.

Professional. If you have purchased the Extended Security Update (ESU), the notification will not appear. For more information, see How to get Extended Security Updates for eligible Windows devices and Lifecycle FAQ-Extended Security Updates.

Improvements and fixes

This security update includes quality improvements. Key changes include:

Updates time zone information for Yukon, Canada. For more information, see DST changes in Windows for Yukon, Canada: September 8, 2020.

Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Media, Windows Cloud Infrastructure, Windows Authentication, Windows Cryptography, Windows Kernel, Windows Hybrid Cloud Networking, Windows Peripherals, Windows Storage and Filesystems, Windows Network Security and Containers, and Windows SQL components.

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

Known issues in this update

After installing this update and restarting your device, you might receive the error, “Failure to configure Windows updates. Reverting Changes. Do not turn off your computer,” and the update might show as Failed in Update History.

This is expected in the following circumstances:

If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see KB4497181.

If you do not have an ESU MAK add-on key installed and activated.

If you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this blog post. For information on the prerequisites, see the «How to get this update» section of this article.

Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.

Do one of the following:

Perform the operation from a process that has administrator privilege.

Perform the operation from a node that doesn’t have CSV ownership.

Microsoft is working on a resolution and will provide an update in an upcoming release.

After installing this update, the Graphics Device Interface (GDI) might access internal regions incorrectly causing unexpected UI experiences. This issue can cause additional or missing screen elements, screen flickering, or a trailing screen.

This issue is resolved in KB4580387.

How to get this update

Before installing this update

You must install the updates listed below and restart your device before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.

The March 12, 2019 servicing stack update (SSU) (KB4490628). To get the standalone package for this SSU, search for it in the Microsoft Update Catalog. This update is required to install updates that are only SHA-2 signed.

The latest SHA-2 update (KB4474419) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS.

The August 11, 2020 SSU (KB4570673) or later. To get the standalone package for this SSU, search for it in the Microsoft Update Catalog.

The Extended Security Updates (ESU) Licensing Preparation Package (KB4538483) released February 11, 2020. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the Microsoft Update Catalog.

After installing the items above, Microsoft strongly recommends that you install the latest SSU (KB4565354). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

Обновление KB5001330 для Windows 10, версия 21H1, 20H2 и 2004: Новый Microsoft Edge заменил Edge Legacy

Накопительный пакет обновления KB4601382 (Build 19043.928) предназначен для Windows 10 версии 21H1 на базе процессоров x86, x64 (amd64), ARM64 и Windows Server (21H1) для систем на базе процессоров x64 и ARM64. В настоящее время «Обновление функций до Windows 10, версия 21H1» доступно для участников программы Windows Insider на канале обновления Beta и для коммерческих клиентов на канале Release Preview. Для перехода на новую версию также можно установить активационный пакет KB5000736.

Накопительный пакет обновления KB5001330 (OS Build 19042.928) предназначен для Windows 10 версии 20H2 (October 2020 Update) на базе процессоров x86, x64 (amd64), ARM64 и Windows Server (20H2) для систем на базе процессоров x64 и ARM64.

Накопительный пакет обновления KB5001330 (OS Build 19041.928) предназначен для Windows 10 версии 2004 (May 2020 Update) на базе процессоров x86, x64 (amd64), ARM64 и Windows Server (2004) для систем на базе процессоров x64 и ARM64.

Обновления доступны в рамках Вторника патчей.

Установка через Центр обновления Windows

Накопительное обновление 5001330 для ПК устанавливается автоматически через Центр обновления Windows. Для проверки перейдите в меню Параметры > Обновление и безопасность и нажмите Проверить наличие обновлений.

Для завершения установки потребуется перезагрузка компьютера. После обновления номер сборки Windows 10 поменяется на 19043.928 для Windows 10 (версия 21H1), 19042.928 для Windows 10 (версия 20H2) и 19041.928 для Windows 10 (версия 2004).

Скачать обновление

Вы также можете скачать обновление из Каталога Центра обновления Майкрософт и установить его вручную по ссылке ниже:

Улучшения и исправления KB5001330 (Сборки 19043.928, 19042.928 и 19041.928)

Данное обновление включает обновления качества. Новые функции системы не представлены. Список ключевых изменений:

• Удалена классическая версия Microsoft Edge (известная также как Microsoft Edge Legacy или Project Spartan), которая больше не поддерживается и установлен новый Microsoft Edge на Chromium. Дополнительная информация: Новый Microsoft Edge заменит классическую версию Edge в Windows 10 в апрельский «Вторник Патчей»
• Исправлена проблема, из-за которой участник доверенной области MIT не мог получить тикет службы Kerberos от контроллеров домена Active Directory. Проблема происходила на устройствах, на которых установлены обновления Windows, содержащие патчи против CVE-2020-17049 и с настроенным параметром PerfromTicketSignature на значение 1 или выше. Эти обновления были выпущены в период с 10 ноября 2020 года по 8 декабря 2020 года. При получении тикета возникала ошибка «KRB_GENERIC_ERROR», если вызывающие абоненты отправляли в качестве свидетельства Ticket Granting Ticket (TGT) без PAC и без указания флага USER_NO_AUTH_DATA_REQUIRED.
• Исправлена уязвимость безопасности CVE-2020-1036, обнаруженная независимым исследователем. Для минимизации рисков эксплуатации уязвимости все будущие обновления Windows больше не будут содержать компонент RemoteFX. В качестве альтернативы предлагается использовать дискретное назначение устройств (DDA) в Windows Server LTSC (Windows Server 2016 и Windows Server 2019) и в Windows Server SAC (Windows Server, версия 1803 и позднее).
• Исправлена потенциальная уязвимость повышения привилегий CVE-2021-27092, связанная с тем, как веб-авторизация в Azure Active Directory разрешает произвольный просмотр со сторонних конечных точек, используемых для федеративной проверки подлинности.
• Устранена причина возникновения ошибки 0x800f081f у инсайдеров при попытке установить 21H1 Build 19043.906 (KB5000842).
• Обновления безопасности для Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows Cryptography, платформы Windows AI, ядра Windows, системы виртуализации Windows, Internet Explorer и Windows Media.
• Вторник патчей (апрель 2021): Microsoft исправила 108 уязвимостей, включая 5 угроз нулевого дня

Если вы устанавливали предыдущие обновления, то на этот раз будут применены только новые изменения в составе накопительного пакета.