CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
87.8%
11/17/20
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 10, version 1809, see its update history page.
**Important:**Windows updates do not install Microsoft Store application updates. If you are an enterprise user, see Microsoft Store apps - Configuration Manager. If you are a consumer user, see Get updates for apps and games in Microsoft Store.
This security update includes improvements. Below is a summary of the key issues that this update addresses when you install this KB. 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.
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.
Symptom | Workaround |
---|---|
After installing the Windows update released on or after July 9, 2024, Windows Servers might affect Remote Desktop Connectivity across an organization. This issue might occur if legacy protocol (Remote Procedure Call over HTTP) is used in Remote Desktop Gateway. Resulting from this, remote desktop connections might be interrupted.This issue might occur intermittently, such as repeating every 30 minutes. At this interval, logon sessions are lost and users will need to reconnect to the server. IT administrators can track this as a termination of the TSGateway service which becomes unresponsive with exception code 0xc0000005. | This issue is addressed in KB5043050. |
After installing this security update, you might observe that some Windows Server 2019 devices experience system slowdowns, unresponsiveness, and high CPU usage particularly with Cryptographic Services. A limited number of organizations reported that the issue was observed when the device was running an Antivirus software which performs scans against the ‘%systemroot%\system32\catroot2’ folder for Windows updates, due to an error with catalog enumeration. Our investigations so far indicate that this issue is limited to some specific scenarios. If your IT environment is affected, you might observe that your devices: |
Before you install this updateMicrosoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions. Prerequisite:You**must **install the August 10, 2021 SSU (KB5005112) before installing the LCU.Install this updateTo install this update, use one of the following Windows and Microsoft release channels.
Windows UpdateBusinessCatalogServer Update Services
Available | Next Step |
---|---|
Yes | None. This update will be downloaded and installed automatically from Windows Update and Microsoft Update. |
Available | Next Step |
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Yes | None. This update will be downloaded and installed automatically from Windows Update for Business in accordance with configured policies. |
Available | Next Step |
---|---|
Yes | To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Available | Next Step |
---|---|
Yes | This update will automatically sync with Windows Server Update Services (WSUS) if you configure Products and Classifications as follows:Product: Windows 10Classification: Security Updates |
If you want to remove the LCUTo 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 informationFor a list of the files that are provided in this update, download the file information for cumulative update 5041578.For a list of the files that are provided in the servicing stack update, download the file information for the SSU (KB5041577) - version 17763.6174.