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Windows 10 22H2

Windows 10, version 22H2

Every published release for Windows 10, version 22H2, newest first: what each update changes, whether to install it and any confirmed known issues.

Latest
KB5136493 Nov 13, 2026
Build
19045.7850
Released
Oct 18, 2022
Known issues
14 open

Build history

  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5041582

    Fixes system hangs; dual-boot Linux may fail to start

    Addresses memory leaks and hangs in Windows 10, version 22H2. Devices that dual-boot Linux might have trouble starting Linux after the update.

    Check the newer update, KB5043131
    Known issues: 2 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…
    • After installing this security update, you might face issues with booting Linux if you have enabled the dual-boot setup for Windows and Linux in your device.

    Key changes 6 changes

    • Improved Country and Operator Settings Asset: COSA profiles are updated for certain mobile operators.
    • Improved Servicing stack: The update includes quality improvements to the component that installs Windows updates.
    • Fix Input Method Editor (IME): Addresses a memory leak that might occur when you close a window after a combo box has input focus.

    Read update Source: Microsoft

    Build
    19045.4842
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update
    Zero-day

    KB5041580

    Exploited Windows flaws and critical TCP/IP risk patched

    Fixes 43 vulnerabilities, including four being exploited and three rated critical. It also adds Secure Boot protections, but can disrupt Linux dual-boot startup and profile-picture changes.

    As of March 31, 2026, this update is no longer available through Microsoft release channels; Microsoft recommends updating devices to the latest Windows version.
    Known issues: 2 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…
    • After installing this security update, you might face issues with booting Linux if you have enabled the dual-boot setup for Windows and Linux in your device.

    Key changes 43 CVEs · 6 changes

    • Improved Windows 10, version 22H2: This build includes the improvements from the supported Windows 10, version 21H2 editions.
    • Improved Secure Boot Advanced Targeting (SBAT) and Linux Extensible Firmware Interface (EFI): Windows blocks vulnerable Linux bootloaders from running. The SBAT change is not applied when Windows and Linux dual-booting is detecte...
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements to help devices receive and install Microsoft updates.

    Read update Source: Microsoft

    Builds
    19044.4780 · 19045.4780
    Security
    43 fixed · 3 critical · 4 exploited
  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5040525

    Fixes TCP hangs, printing failures, and Windows Backup errors

    Fixes several Windows 10 22H2 problems, including TCP hangs during file transfers, printing failures, and Windows Backup failures on devices with an EFI system partition. It also has a known profile-picture issue.

    Check the newer update, KB5041582
    Known issues: 1 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…

    Key changes 12 changes

    • Improved Windows Kernel Vulnerable Driver Blocklist file (DriverSiPolicy.p7b): The vulnerable-driver blocklist includes more drivers at risk of being used in BYOVD attacks.
    • Improved DHCP Option 235: Some devices might not be able to use Microsoft Connected Cache nodes they find and might download updates and apps from the public int...
    • Fix FrameShutdownDelay: The browser now respects the configured FrameShutdownDelay value.

    Read update Source: Microsoft

    Build
    19045.4717
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update
    Zero-day

    KB5040427

    Exploited MSHTML spoofing flaw patched; RADIUS and BitLocker changes

    The update addresses 75 vulnerabilities, including an exploited MSHTML spoofing flaw and a critical Windows Imaging Component remote code execution flaw. It also changes RADIUS, BitLocker, and shortcut-icon policy behavior.

    As of March 31, 2026, this update is no longer available through Microsoft Update Catalog or other release channels. Microsoft recommends updating devices to the latest Windows version.
    Known issues: 1 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…

    Key changes 75 CVEs · 4 changes

    • Improved BitLocker: The default Secure Boot validation profile includes additional PCR measurements.
    • Improved File shortcut icons: IT administrators must configure a policy to allow remote paths in shortcut icons. Without it, icons on Start, the desktop, and the tas...
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements to help devices reliably receive and install Microsoft update...

    Read update Source: Microsoft

    Builds
    19044.4651 · 19045.4651
    Security
    75 fixed · 1 critical · 1 exploited
  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5039299

    Copilot becomes a movable app; taskbar and input issues addressed

    This optional preview pins Copilot as a resizable, movable app on eligible PCs and addresses several Windows 10 issues, including taskbar jump-list actions and Japanese text input.

    Check the newer update, KB5040525
    Known issues: 1 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…

    Key changes 12 changes

    • New Copilot: On eligible new PCs, Copilot is pinned to the taskbar and works like an app that you can resize, move, and snap.
    • Improved Mobile device management (MDM): When a device is enrolled, more details are sent to help identify its model and manufacturer.
    • Improved Country and Operator Settings Asset (COSA): Mobile operator profiles are updated for certain operators.

    Read update Source: Microsoft

    Build
    19045.4598
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update
    Zero-day

    KB5039211

    Critical MSMQ flaw and exploited Mark of the Web bypass patched

    Addresses 28 vulnerabilities, including a critical MSMQ remote-code-execution flaw and an exploited Mark of the Web security bypass. It also addresses two LSASS problems and changes how File Explorer tags files from untrusted locations.

    As of March 31, 2026, this update is no longer available from Microsoft release channels. Windows 10, version 21H2 Enterprise, Education, IoT Enterprise, and Enterprise multi-session editions also reached end of service on June 11, 2024.
    Known issues: 3 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 28 CVEs · 5 changes

    • Improved Windows 10, version 22H2: This build includes the improvements from the supported Windows 10, version 21H2 editions.
    • Improved File Explorer: File Explorer adds the Mark of the Web tag to files and folders from untrusted locations. This can update the file's LastWriteTime time...
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements to help devices reliably receive and install updates.

    Read update Source: Microsoft

    Builds
    19044.4529 · 19045.4529
    Security
    28 fixed · 1 critical · 1 exploited
  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5037849

    Android photos can open in Snipping Tool; Copilot issues remain

    Adds a way to open Android photos and screenshots in Snipping Tool. It also addresses several Windows issues, while Copilot problems on multi-monitor setups and vertical taskbars remain open.

    Check the newer update, KB5039299
    Known issues: 3 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 11 changes

    • New Snipping Tool: After you link an Android phone to your PC, a prompt can let you open a photo or screenshot from the phone in Snipping Tool.
    • Improved Country and Operator Settings Asset (COSA): Mobile operator settings profiles are brought up to date for certain operators.
    • Improved Servicing stack: The included servicing stack update improves the component that installs Windows updates.

    Read update Source: Microsoft

    Build
    19045.4474
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update
    Zero-day

    KB5037768

    Exploited MSHTML and DWM flaws patched; VPN failures addressed

    Fixes 47 vulnerabilities, including two exploited flaws in MSHTML and the DWM Core Library, and addresses a VPN connection problem.

    As of March 31, 2026, this update is no longer available through Microsoft Update Catalog or other release channels; Microsoft recommends updating to the latest Windows version.
    Known issues: 3 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 47 CVEs · 5 changes

    • Improved Windows 10, version 22H2: This build includes the improvements from supported Windows 10, version 21H2 editions.
    • Improved Servicing stack: Improves the component that installs Windows updates, helping devices receive and install Microsoft updates reliably.
    • Fix VPN: Addresses a known issue that might cause your VPN connection to fail after the April 9, 2024 update or later.

    Read update Source: Microsoft

    Builds
    19044.4412 · 19045.4412
    Security
    47 vulnerabilities fixed · 2 actively exploited
  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5036979

    Account alerts arrive; Bluetooth earbuds and startup issues get fixes

    Adds Microsoft account notifications and improves lock-screen Widgets and Search. It also addresses unstable Bluetooth earbud connections and several crashes, memory leaks, and system issues.

    Check the newer update, KB5037849
    Known issues: 3 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 18 changes

    • New Settings: Notifications about your Microsoft account begin appearing in Settings and the Start menu.
    • Improved Widgets: Widgets on the lock screen become more reliable and support more visuals and customization.
    • Improved Windows Search: Search becomes more reliable, makes installed apps easier to find, and provides a personalized app search experience.

    Read update Source: Microsoft

    Build
    19045.4355
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update
    Zero-day

    KB5036892

    Exploited proxy-driver spoofing flaw patched; Copilot limits remain

    Addresses 63 security vulnerabilities, including an actively exploited proxy-driver spoofing flaw. It also lists open Copilot and profile-picture issues.

    As of March 31, 2026, this update is no longer available from Microsoft Update Catalog or other release channels; Microsoft recommends updating to the latest Windows version.
    Known issues: 3 open
    • After installing this update, you might be unable to [change your user account profile picture](https://support.microsoft.com/en-us/windows/change-your-account-picture-3645cdc7-acab-49d2-76a9-4ce7e5e…
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 63 CVEs · 3 changes

    • Improved Windows 10, version 22H2: Version 22H2 includes all improvements from the supported Windows 10 version 21H2 editions.
    • Improved Windows operating system: The update includes miscellaneous security improvements to internal operating system functionality.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements intended to make it more reliable.

    Read update Source: Microsoft

    Builds
    19044.4291 · 19045.4291
    Security
    63 vulnerabilities fixed · 1 actively exploited
  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5035941

    Desktop Spotlight and lock-screen content arrive; keyboard issue fixed

    Adds Windows Spotlight backgrounds and more lock-screen content, and addresses an issue that sometimes kept the touch keyboard from opening.

    Check the newer update, KB5036979
    Known issues: 2 open
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 24 changes

    • New Desktop background: Windows Spotlight can show new images as your desktop wallpaper, with a Learn More button that opens Bing.
    • New Lock screen: The lock screen can show sports, traffic, and finance content in addition to weather.
    • New Windows 11 upgrade notice: Eligible devices might show a sign-in message inviting users to upgrade to Windows 11.

    Read update Source: Microsoft

    Build
    19045.4239
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update

    KB5035845

    Hyper-V remote-code flaw addressed; Copilot icon issues remain

    Addresses 35 vulnerabilities, including two critical Hyper-V flaws. Copilot can still disrupt desktop icon placement on multi-monitor devices, and the update is no longer available from Microsoft’s release channels.

    Windows 10 version 21H2 Enterprise, Education, IoT Enterprise, and Enterprise multi-session editions reached end of service on June 11, 2024. Microsoft recommends moving to a newer Windows version to keep receiving security and quality updates.
    Known issues: 2 open
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 35 CVEs · 4 changes

    • Improved Windows 10, version 22H2: Version 22H2 includes the improvements from supported Windows 10 version 21H2 editions.
    • Improved Windows 10, version 21H2: The update includes quality improvements that were part of KB5034843.
    • Improved Windows 10, version 21H2: Internal Windows functionality receives miscellaneous security improvements.

    Read update Source: Microsoft

    Builds
    19044.4170 · 19045.4170
    Security
    35 fixed · 2 critical
  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5034843

    Share links to apps and keep games installed on other drives

    Adds direct sharing of URLs to apps and keeps games installed on secondary drives. It also fixes several sign-in, input, and Remote Desktop problems.

    Check the newer update, KB5035941
    Known issues: 2 open
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 10 changes

    • New Windows share: You can share URLs directly to apps such as WhatsApp, Gmail, Facebook, and LinkedIn. Sharing to X is coming soon.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix Games: Games installed on a secondary drive remain installed on that drive.

    Read update Source: Microsoft

    Build
    19045.4123
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update
    Zero-day

    KB5034763

    Closes exploited kernel, SmartScreen and shortcut-file flaws

    Closes three exploited security flaws, including one in the Windows kernel, and addresses several Windows 10 issues. It is no longer available; Microsoft recommends updating to the latest Windows version.

    As of March 31, 2026, this update is no longer available from Microsoft Update Catalog or other release channels. Microsoft recommends updating devices to the latest Windows version.
    Known issues: 2 open
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 38 CVEs · 6 changes

    • Improved Windows 10, version 22H2: Version 22H2 includes the improvements listed for supported Windows 10, version 21H2 editions.
    • Improved Device metadata: Downloads of device metadata from WMIS over HTTPS are more secure.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.

    Read update Source: Microsoft

    Builds
    19044.4046 · 19045.4046
    Security
    38 fixed · 1 critical · 3 exploited
  • Windows 10 22H2 Windows 10 22H2 Optional preview
    Preview

    KB5034203

    Printer setup issue addressed; richer weather comes to the lock screen

    Addresses an issue that could make some single-function printers install as scanners and begins rolling out interactive weather on the lock screen.

    Check the newer update, KB5034843
    Known issues: 2 open
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 20 changes

    • New Lock screen: A richer, interactive weather experience is coming to the lock screen over the coming weeks. Hovering over the weather shows more infor...
    • Improved Digital Markets Act compliance: Changes to support Digital Markets Act compliance roll out gradually to Windows 10, version 22H2 PCs in the European Economic Area.
    • Improved Windows Kernel Vulnerable Driver Blocklist: The vulnerable driver blocklist gains entries for drivers at risk of BYOVD attacks.

    Read update Source: Microsoft

    Build
    19045.3996
    Restart
    Required
  • Windows 10 21H2 / 22H2 Windows 10 21H2 / 22H2 Security update

    KB5034122

    Critical Kerberos and Hyper-V flaws patched; Copilot issues remain

    The update fixes 34 vulnerabilities, including critical flaws in Kerberos and Hyper-V. It is no longer available through Microsoft release channels as of March 31, 2026.

    As of March 31, 2026, this update is no longer available through the Microsoft Update Catalog or other release channels. Microsoft recommends updating devices to the latest version of Windows.
    Known issues: 2 open
    • Windows devices using more than one (1) monitor might experience issues with desktop icons moving unexpectedly between monitors or other icon alignment issues when attempting to use Copilot in Window…
    • Copilot in Windows (in preview) is not currently supported when your taskbar is located vertically on the right or left of your screen.

    Key changes 34 CVEs · 5 changes

    • Improved Windows 10, version 22H2: This build includes all the improvements from supported Windows 10 version 21H2 editions.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements to help devices receive and install Microsoft updates reliabl...
    • Fix ActiveX scroll bar: The ActiveX scroll bar works in IE mode again.

    Read update Source: Microsoft

    Builds
    19044.3930 · 19045.3930
    Security
    34 fixed · 2 critical