9.8 High
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
7.6 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.139 Low
EPSS
Percentile
95.6%
**UPDATED 5/9/23
REMINDER **All editions of Windows 10, version 20H2 are at end of service today, May 9, 2023. After today, these devices will not receive monthly security updates. These updates contain protections from the latest security threats. To continue receiving security and quality updates, we recommend that you update to the latest version of Windows.
**4/17/23
IMPORTANT **Windows 10, version 21H2 will reach end of service on June 13, 2023. We will continue to service the following editions of Windows 10, version 21H2: Windows 10 Enterprise and Education, Windows 10 IoT Enterprise, and Windows 10 Enterprise multi-session. All editions of Windows 10, version 22H2 will continue to receive security and optional releases.
**3/21/23
REMINDER **After March 21, 2023, release there are no more optional, non-security preview releases for the supported editions of Windows 10, version 20H2 and Windows 10, version 21H2. Only cumulative monthly security updates (known as the “B” or Update Tuesday release) will continue for these versions. Windows 10, version 22H2 will continue to receive security and optional releases.
3/21/23 **IMPORTANT **Starting in April 2023, optional, non-security preview updates will release on the fourth Tuesday of the month. For more information, see Windows monthly updates explained.
11/17/20For 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 20H2, see its update history page.**Note **Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.
NoteTo view the list of addressed issues, click or tap the OS name to expand the collapsible section.
__
Windows 10, version 22H2
**Important:**Use EKB KB5015684 to update to Windows 10, version 22H2.
This security update includes quality improvements. Key changes include:
__
Windows 10, version 21H2
**Important:**Use EKB KB5003791 to update to Windows 10, version 21H2.
This security update includes quality improvements. Key changes include:
__
Windows 10, version 20H2 editions: Windows 10 Enterprise Multi-Session, Windows 10 Enterprise and Education, Windows 10 IoT Enterprise
**Important:**Use EKB KB4562830 to update to the supported editions of Windows 10, version 20H2.
This security update includes quality improvements that were a part of update KB5025297 (released April 25, 2023). When you install this KB:
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.
__
Click or tap to view the known issues
Symptom | Workaround |
---|---|
Devices with Windows installations created from custom offline media or custom ISO image might have Microsoft Edge Legacy removed by this update, but not automatically replaced by the new Microsoft Edge. This issue is only encountered when custom offline media or ISO images are created by slipstreaming this update into the image without having first installed the standalone servicing stack update (SSU) released March 29, 2021 or later.NoteDevices that connect directly to Windows Update to receive updates are not affected. This includes devices using Windows Update for Business. Any device connecting to Windows Update should always receive the latest versions of the SSU and latest cumulative update (LCU) without any extra steps. | To avoid this issue, be sure to first slipstream the SSU released March 29, 2021 or later into the custom offline media or ISO image before slipstreaming the LCU. To do this with the combined SSU and LCU packages now used for Windows 10, version 20H2 and Windows 10, version 2004, you will need to extract the SSU from the combined package. Use the following steps to extract the SSU: |
Before installing this updateMicrosoft 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.Prerequisite:Based on your installation scenario, choose one of the following:
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 5026361.For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 19042.2905, 19044.2905, and 19045.2905.
9.8 High
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
7.6 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.139 Low
EPSS
Percentile
95.6%