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Windows 11 23H2

Windows 11, version 23H2

Every published release for Windows 11, version 23H2, newest first: what each update changes, whether to install it and any confirmed known issues.

Latest
KB5136483 Nov 13, 2026
Build
22631.7714
Released
Oct 31, 2023
Enterprise and Education
no longer updated since Nov 10, 2026
Known issues
23 open

Build history

  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5041585

    Scripting Engine flaw exploited; Linux dual-boot may fail

    The update fixes 43 security vulnerabilities, including an exploited Scripting Engine flaw, and changes that can stop some Windows/Linux dual-boot PCs from starting Linux.

    Check the newer update, KB5041587
    Windows 11 version 22H2 Home and Pro editions reach end of service on October 8, 2024; Microsoft recommends updating to the latest Windows version to continue receiving updates. Enterprise and Education editions continue to be supported after that date.
    Known issues: 1 open
    • 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 · 5 changes

    • Improved Lock screen: The “Use my Windows user account” checkbox is no longer available when connecting to Wi-Fi from the lock screen.
    • Improved Secure Boot Advanced Targeting (SBAT) and Linux Extensible Firmware Interface (EFI): The update blocks vulnerable Linux bootloaders on Windows systems. Older Linux ISO images might not boot afterward.
    • Improved Servicing stack: Includes improvements to the component that installs Windows updates.

    Read update Source: Microsoft

    Build
    22631.4037
    Security
    43 fixed · 3 critical · 4 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5040527

    File Explorer fixes and new taskbar keyboard controls

    Adds taskbar and Start menu features and fixes several File Explorer problems, including hangs and missing search results. It also includes fixes for Windows 11, version 22H2 Enterprise and Education.

    Check the newer update, KB5041585
    Windows 11, version 22H2 Home and Pro receive only security updates until October 8, 2024; update to the latest version to keep receiving non-security updates.

    Key changes 33 changes

    • New Notification for Windows Share in China: For nearby sharing in China, Windows asks before turning on Wi-Fi and Bluetooth if they are off.
    • New Start menu: You can drag an app from the Pinned section of Start and pin it to the taskbar.
    • New Taskbar: With the taskbar focused, you can press a letter to move to an app or window whose name starts with it. Home and End move focus to the...

    Read update Source: Microsoft

    Build
    22631.3958
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5040442

    Exploited Hyper-V and MSHTML flaws patched

    Fixes 81 vulnerabilities, including one critical flaw and exploited flaws in Hyper-V and MSHTML. It also addresses taskbar and startup problems and changes the Secure Boot validation profile.

    Check the newer update, KB5040527
    Windows 11 version 22H2 Home and Pro editions receive only security updates until October 8, 2024. To continue receiving security and non-security updates after that date, Microsoft recommends updating to the latest Windows version.

    Key changes 81 CVEs · 7 changes

    • Improved BitLocker: The default Secure Boot validation profile now includes an additional platform measurement.
    • Improved File shortcut icons: Without the required policy, icons on the Start menu, Windows desktop, and taskbar will fail to render after this update or later updat...
    • Improved Servicing stack: The servicing stack receives quality improvements to help devices reliably receive and install Microsoft updates.

    Read update Source: Microsoft

    Build
    22631.3880
    Security
    81 fixed · 1 critical · 2 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5039302

    New archive tools and taskbar changes; startup issues reported

    Adds archive tools to File Explorer and several taskbar and Settings changes. Some devices might fail to start, and taskbar issues are likely on Windows N or devices without Media Features.

    Check the newer update, KB5040442

    Key changes 29 changes

    • New Settings: A Game Pass recommendation card appears on the Settings home page for eligible players.
    • New Taskbar: The Show desktop button is back on the taskbar by default.
    • New File Explorer: You can create 7-Zip and TAR archives from File Explorer's context menu, with more formats and options in a compression wizard.

    Read update Source: Microsoft

    Build
    22631.3810
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5039212

    Exploited Mark of the Web bypass and critical MSMQ flaw addressed

    The update fixes 29 vulnerabilities, including a critical MSMQ remote-code-execution flaw and an actively exploited Mark of the Web security-feature bypass. It also addresses taskbar glitches and several system issues.

    Check the newer update, KB5039302

    Key changes 29 CVEs · 7 changes

    • Improved File Explorer: Files and folders from untrusted locations receive a Mark of the Web tag. The changed timestamp might affect some file-copy scenarios.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements to help devices receive and install updates reliably.
    • Fix Taskbar: The taskbar might briefly glitch, stop responding, or disappear and reappear; this update addresses the issue.

    Read update Source: Microsoft

    Build
    22631.3737
    Security
    29 fixed · 1 critical · 1 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5037853

    File sharing gains QR codes; Explorer gets breadcrumb dragging

    Adds QR-code sharing and new File Explorer controls, and addresses problems including slow startup from network folders and unavailable Bluetooth headset controls.

    Check the newer update, KB5039212

    Key changes 32 changes

    • New Windows share window: Clicking outside the Windows share window no longer closes it; use the close button in its upper-right corner.
    • New File Explorer: You can drag files between location breadcrumbs in the address bar.
    • New Settings: A Linked devices page lets you manage PCs and Xbox consoles. It appears on Home and Pro editions when you sign in with a Microsoft acco...

    Read update Source: Microsoft

    Build
    22631.3672
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5037771

    Exploited MSHTML and DWM flaws patched; VPN failures addressed

    The update patches 45 vulnerabilities, including two actively exploited flaws in MSHTML and DWM Core Library. It also addresses VPN connection failures and slow SMB transfers.

    Check the newer update, KB5037853

    Key changes 45 CVEs · 5 changes

    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix VPN: VPN connection failures after installing the update dated April 9, 2024, or later are addressed.
    • Fix Domain controllers: NTLM authentication traffic might increase on domain controllers; this issue is addressed.

    Read update Source: Microsoft

    Build
    22631.3593
    Security
    45 vulnerabilities fixed · 2 actively exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5036980

    Start menu recommendations expand; Widgets get clearer icons

    The preview adds Microsoft Store app suggestions and, over the coming weeks, recommendations for frequently used apps. It also improves Widgets and includes fixes for Settings, networking, printing, and other areas.

    Check the newer update, KB5037771
    Windows 11, version 22H2 Home and Pro receive non-security preview updates until June 26, 2024; Enterprise and Education receive them until June 24, 2025. Monthly security updates continue for supported editions afterward.

    Key changes 28 changes

    • New Start menu: The Recommended section can show some Microsoft Store apps from a small group of curated developers.
    • New Start menu: Over the coming weeks, frequently used apps that are not already pinned to Start or the taskbar might appear in Recommended.
    • New Widgets: A larger set of animated Widgets icons starts rolling out.

    Read update Source: Microsoft

    Build
    22631.3527
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5036893

    Actively exploited proxy-driver spoofing flaw patched

    Fixes 63 security vulnerabilities, including an actively exploited proxy-driver spoofing flaw. It also adds voice-access, Narrator, sharing, and Windows 365 features.

    Check the newer update, KB5036980
    For Windows 11, version 22H2, non-security updates end June 26, 2024 for Home and Pro and June 24, 2025 for Enterprise and Education. Monthly security updates continue afterward for supported editions.

    Key changes 63 CVEs · 25 changes

    • New Voice access: Voice access now supports French (France and Canada), German, and Spanish (Spain and Mexico).
    • New Voice access: Voice access features, including number and grid overlays, now work across multiple displays.
    • New Voice access: You can create custom voice commands in supported English dialects and assign them one or more actions.

    Read update Source: Microsoft

    Build
    22631.3447
    Security
    63 vulnerabilities fixed · 1 actively exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5035942

    Voice shortcuts, multi-screen controls and Cloud PC sign-in added

    Adds voice-access tools, lock-screen content and Windows 365 features, and addresses issues with Bluetooth removal, USB audio and taskbar labels. It also includes many fixes and quality changes for version 22H2.

    Check the newer update, KB5036893
    The page revises the end dates for non-security preview updates for version 22H2: June 26, 2024 for Home and Pro editions, and June 24, 2025 for Enterprise, Education, IoT Enterprise and Enterprise multi-session editions. Monthly security updates continue afterward for supported editions.

    Key changes 58 changes

    • New Lock screen: The lock screen can show sports, traffic and finance content alongside weather.
    • New Voice access: Voice access supports French (France and Canada), German, and Spanish (Spain and Mexico).
    • New Voice access: Voice access features, including number and grid overlays, can now be used on multiple displays.

    Read update Source: Microsoft

    Build
    22631.3374
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update

    KB5035853

    Critical Hyper-V flaws addressed; February update hang resolved

    Addresses two critical Hyper-V vulnerabilities and an installation problem that could leave February updates stuck at 96%.

    Check the newer update, KB5035942
    For Windows 11, version 22H2 Home, Pro, Pro Education, and Pro for Workstations, non-security preview updates continue until June 26, 2024. After that, supported editions receive only cumulative monthly security updates.

    Key changes 38 CVEs · 3 changes

    • Improved Windows 11, version 23H2: This build includes the improvements released for Windows 11, version 22H2.
    • Improved Servicing stack: The servicing stack, which installs Windows updates, receives quality improvements.
    • Fix Windows Update: Addresses an issue that could stop the February 2024 security and preview updates from installing, leaving a device stuck at 96% with e...

    Read update Source: Microsoft

    Build
    22631.3296
    Security
    38 fixed · 2 critical
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5034848

    Edit Android photos from your PC; adds 80Gbps USB support

    Adds Android photo editing through Snipping Tool and support for USB 80Gbps. It also addresses several Windows and app problems; a later update resolves the reported installation failure.

    Check the newer update, KB5035853
    Windows 11, version 22H2 Home, Pro, Pro Education, and Pro for Workstations editions receive non-security preview updates until June 26, 2024.

    Key changes 21 changes

    • New Snipping Tool: Snipping Tool can edit recent photos and screenshots from an Android device. Your PC can also notify you when the device captures a new...
    • New USB: Adds support for USB 80Gbps, the next generation of USB4 with twice the bandwidth of USB 40Gbps.
    • Improved Mobile devices: The Phone Link settings page is now called Mobile devices.

    Read update Source: Microsoft

    Build
    22631.3235
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5034765

    Exploited kernel flaw patched; taskbar layout changes

    Addresses 41 vulnerabilities, including three exploited flaws, and changes the taskbar layout. It also addresses slow Narrator announcements and Explorer hangs during shutdown or restart.

    Check the newer update, KB5034848
    Windows 11, version 22H2 Enterprise, Education, IoT Enterprise, and Enterprise multi-session editions receive non-security preview updates through June 24, 2025; after that, only monthly security updates continue.

    Key changes 41 CVEs · 6 changes

    • New Taskbar: The Copilot icon appears on the right side of the taskbar’s system tray.
    • Improved Taskbar: Show desktop is off by default at the rightmost corner of the taskbar. You can turn it back on in Taskbar settings.
    • Improved Device metadata: Device metadata downloads over HTTPS are more secure.

    Read update Source: Microsoft

    Build
    22631.3155
    Security
    41 fixed · 2 critical · 3 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5034204

    Start menu search, Bluetooth audio and print-related freezes fixed

    Fixes Start menu search and several audio and stability problems, including freezes after installing a print support app. It also includes fixes and changes for Windows 11 versions 22H2 and 23H2.

    Check the newer update, KB5034765
    For Windows 11 version 22H2, non-security preview updates end June 26, 2024 for Home, Pro, Pro Education and Pro for Workstations, and June 24, 2025 for Enterprise, Education, IoT Enterprise and Enterprise multi-session. After those dates, supported editions continue to receive monthly security updates.

    Key changes 31 changes

    • Improved European Economic Area changes: Windows receives changes intended to meet the Digital Markets Act requirements in the European Economic Area.
    • Improved Power transitions: Windows is more reliable during power transitions, reducing the risk of a stop error.
    • Improved Windows Kernel Vulnerable Driver Blocklist: The driver blocklist includes additional drivers considered at risk in bring-your-own-vulnerable-driver attacks.

    Read update Source: Microsoft

    Build
    22631.3085
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update

    KB5034123

    Dynamic lock-screen weather arrives; spellchecker issue addressed

    The update adds interactive weather to the lock screen over the coming weeks and addresses a spellchecker issue. It also fixes connection problems for some Wi-Fi adapters and includes 35 security fixes, including two critical vulnerabilities.

    Check the newer update, KB5034204
    Windows 11, version 22H2 Home, Pro, Pro Education, and Pro for Workstations editions receive non-security preview updates until June 26, 2024; after that, only monthly security updates continue.

    Key changes 35 CVEs · 6 changes

    • New Lock screen: Interactive weather updates appear on the lock screen over the coming weeks. Hover over the weather for more information; selecting the...
    • Improved Windows 11, version 23H2: This build includes all the improvements in Windows 11, version 22H2.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements to help devices receive and install Microsoft updates reliabl...

    Read update Source: Microsoft

    Build
    22631.3007
    Security
    35 fixed · 2 critical
    Restart
    Required