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Windows 11

Windows 11 updates

All published releases for Windows 11, newest first: what each update changes, whether to install it and any confirmed known issues. Latest release: November 13, 2026.

47 active known issues →

Windows 11 updates

  • Windows 11 26H1 Windows 11 26H1 Security update

    KB5079466

    Secure Boot certificate rollout expands; COM allowlisting works as expected

    The update expands the phased delivery of new Secure Boot certificates and improves COM allowlisting in Windows Defender Application Control. It also includes 40 Important-severity security fixes.

    Check the newer update, KB5079489

    Key changes 40 CVEs · 5 changes

    • Improved Secure Boot: More eligible devices can receive new Secure Boot certificates automatically, after showing enough successful update signals.
    • Improved Windows Defender Application Control: COM objects are allowed as expected when the endpoint security policy is set higher than the allowlisting policy.
    • Improved Windows System Image Manager: A warning dialog helps you check that a catalog file you select comes from a trusted source.

    Read update Source: Microsoft

    Build
    28000.1719
    Security
    40 vulnerabilities fixed
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Security update

    KB5079473

    Secure Boot certificate rollout expands; app sign-in can fail

    Secure Boot certificate coverage expands, while Microsoft-account sign-in can fail in some apps after installation. File Explorer search and WDAC policy handling also improve.

    Check the newer update, KB5085516
    Windows 11 version 24H2 Home and Pro reaches the end of updates on October 13, 2026.
    Known issues: 1 open
    • Signing in with a Microsoft account might fail for Microsoft Teams Free and other apps

    Key changes 41 CVEs · 9 changes

    • Improved Secure Boot: More eligible devices can receive new Secure Boot certificates automatically.
    • Improved File Explorer: Searching across multiple drives or This PC becomes more reliable.
    • Improved Windows Defender Application Control: COM objects allowed by policy work as expected.

    Read update Source: Microsoft

    Builds
    26100.8037 · 26200.8037
    Security
    41 vulnerabilities fixed
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update

    KB5078883

    Secure Boot coverage expands; File History handles more filenames

    The update addresses 41 Important-severity vulnerabilities and broadens the rollout of new Secure Boot certificates. It also improves File History backups and stability for some graphics configurations.

    Check the newer update, KB5082052
    Windows 11, version 23H2 Enterprise and Education editions reach end of support on November 10, 2026.

    Key changes 41 CVEs · 8 changes

    • New Secure Boot: Two new PowerShell features help you check Secure Boot keys and certificates and whether your device follows the latest Secure Boot pol...
    • Improved Secure Boot: More eligible devices can receive new Secure Boot certificates automatically, through a controlled, phased rollout.
    • Improved File History: File History in Control Panel now backs up files with names that include Chinese characters and Private Use Area characters.

    Read update Source: Microsoft

    Build
    22631.6783
    Security
    41 vulnerabilities fixed
    Restart
    Required
  • Windows 11 26H1 Windows 11 26H1 Optional preview
    Preview

    KB5077239

    New camera, accessibility and gaming features; recovery hangs fixed

    Adds features across Windows 11 26H1, including camera effects, cross-device activities and handheld gaming. It also addresses issues such as BitLocker recovery and Windows Sandbox hangs.

    Check the newer update, KB5079466

    Key changes 60 changes

    • New Agent in Settings: The Settings Agent supports more languages, including German, Portuguese, Spanish, Korean, Japanese, Hindi, Italian and Simplified Chin...
    • New Agent in Settings: The Settings search results menu shows more results and adds a scroll bar so you can browse them.
    • New Agent in Settings: Recommended settings can show an inline agent option for settings you changed recently.

    Read update Source: Microsoft

    Build
    28000.1643
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional preview
    Preview

    KB5077241

    BitLocker no longer hangs at recovery; built-in Sysmon arrives

    Adds built-in Sysmon and new taskbar, search, and camera features. It also fixes a BitLocker hang after you enter a recovery key.

    Check the newer update, KB5079473
    Most Windows Secure Boot certificates start expiring in June 2026; Microsoft is delivering newer certificates through Windows updates. Support for 24H2 Home and Pro ends October 13, 2026.

    Key changes 32 changes

    • New Emoji: A small set of new emojis appears in the emoji panel.
    • New Backup & Restore: Windows Backup for Organizations can restore user settings and Microsoft Store apps automatically at first sign-in on more types of dev...
    • New Quick Machine Recovery: Quick Machine Recovery turns on automatically for eligible Windows Pro devices, giving them the recovery features available on Home dev...

    Read update Source: Microsoft

    Builds
    26100.7922 · 26200.7922
    Restart
    Required
  • Windows 11 26H1 Windows 11 26H1 Security update
    Zero-day

    KB5077179

    Exploited Shell and MSHTML bypasses patched; startup failure fixed

    The update addresses five actively exploited vulnerabilities, including security-feature bypasses in Windows Shell and MSHTML. It also addresses a problem that could prevent Windows from starting.

    Check the newer update, KB5077239

    Key changes 26 CVEs · 7 changes

    • Improved AI components: Four AI components receive updates on Copilot+ PCs.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix Graphics: An issue that could cause a system error on certain GPU configurations is addressed.

    Read update Source: Microsoft

    Build
    28000.1575
    Security
    26 fixed · 1 critical · 5 exploited
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Security update
    Zero-day

    KB5077181

    Exploited Shell and MSHTML bypass flaws patched

    Fixes 27 vulnerabilities, including five that attackers are exploiting. It also addresses a WPA3 Wi-Fi connection problem and gaming eligibility checks.

    Check the newer update, KB5077241
    Support for Windows 11, version 24H2 Home and Pro ends on October 13, 2026.

    Key changes 27 CVEs · 7 changes

    • Improved Catalog: The Catalog listing now has the corrected x64 package string.
    • Improved Update installation: The second MSU file in the individual-installation instructions has been updated.
    • Improved Secure Boot: Windows uses device-targeting data to deliver new Secure Boot certificates in phases, after devices show enough successful update signa...

    Read update Source: Microsoft

    Builds
    26100.7840 · 26200.7840
    Security
    27 vulnerabilities fixed · 5 actively exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5075941

    Exploited Shell and MSHTML security bypasses addressed

    Addresses 27 vulnerabilities, including exploited Windows Shell and MSHTML security feature bypasses, and fixes several Windows 11 23H2 issues. It also updates Secure Boot components and certificate rollout data.

    Check the newer update, KB5078883
    Secure Boot certificates used by most Windows devices began expiring in June 2026. Devices without newer certificates continue to start and operate normally, and Windows updates continue to install.

    Key changes 27 CVEs · 9 changes

    • Improved Secure Boot: For devices that already have the Windows UEFI CA 2023 certificate, the boot manager switches to a 2023-signed boot file.
    • Improved Fonts & Display: Chinese fonts support the GB18030-2022A standard for character coverage and display.
    • Improved Secure Boot: Windows quality updates include data to help determine which devices are ready to receive new Secure Boot certificates. Devices receive...

    Read update Source: Microsoft

    Build
    22631.6649
    Security
    27 vulnerabilities fixed · 5 actively exploited
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional preview
    Preview

    KB5074105

    Startup hangs and missing sign-in options addressed

    Adds Windows MIDI and accessibility features, updates Secure Boot on eligible 24H2 devices, and addresses issues including startup hangs and missing sign-in options.

    Check the newer update, KB5077181
    Secure Boot certificates used by most Windows devices started expiring in June 2026. Devices without the newer certificates continue to start and receive standard updates; you can check status in Windows Security.

    Key changes 1 CVE · 31 changes

    • New Cross-Device Resume: You can continue more activities from an Android phone on your PC, including browsing from Vivo Browser and resuming work on files open...
    • New Windows MIDI Services: Windows MIDI Services adds MIDI capabilities and performance improvements for musicians.
    • New Narrator: You can choose which details Narrator speaks about on-screen controls and change their order.

    Read update Source: Microsoft

    Builds
    26100.7705 · 26200.7705
    Security
    1 vulnerability fixed
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Out-of-band update
    Out-of-band

    KB5078127

    Cloud-file errors and Outlook hangs fixed

    Some apps and Outlook setups can open or save cloud files again after errors and hangs began with January updates. This out-of-band update adds that fix.

    Check the newer update, KB5074105
    Support for Windows 11, version 24H2, Home and Pro editions ends October 13, 2026.
    Known issues: 1 open Organizations and IT administrators
    • Password icon might be missing or invisible in the lock screen sign-in options

    Key changes 3 changes

    • Improved AI components: AI components are updated on Copilot+ PCs.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix File System: Some apps and Outlook setups can open or save cloud files again after errors and hangs.

    Read update Source: Microsoft

    Builds
    26100.7628 · 26200.7628
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Out-of-band update
    Out-of-band

    KB5078132

    Cloud-file errors and OneDrive-hosted Outlook hangs fixed

    Fixes file and Outlook problems affecting some cloud-storage users after the January 13 update. Devices with Virtual Secure Mode enabled might still restart instead of shutting down or hibernating; KB5075941 resolves that issue.

    Check the newer update, KB5075941
    Support for Windows 11, version 23H2, Enterprise and Education editions ends November 10, 2026.
    Known issues: 1 open
    • Some devices with Virtual Secure Mode enabled might fail to shut down or hibernate

    Key changes 3 changes

    • Improved Includes security fixes and improvements from the January 13 update, KB5073455, and the January 17 update, KB5077797.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix File System: Some apps no longer become unresponsive or show unexpected errors when opening or saving files in cloud storage such as OneDrive or Dro...

    Read update Source: Microsoft

    Build
    22631.6495
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Out-of-band update
    Out-of-band

    KB5077744

    Remote Desktop sign-in failures corrected

    Remote Desktop connections work again for users who could not sign in after the January 13 update. Some lock-screen password icons and cloud-storage apps may still have problems.

    Check the newer update, KB5078127
    Updates for version 24H2 Home and Pro end October 13, 2026.
    Known issues: 2 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Apps might become unresponsive when saving files to cloud-based storage

    Key changes 3 changes

    • Improved AI components: Four AI features get updated versions on Copilot+ PCs.
    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.
    • Fix Remote Desktop: Some users can sign in to Remote Desktop connections again.

    Read update Source: Microsoft

    Builds
    26100.7627 · 26200.7627
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Out-of-band update
    Out-of-band

    KB5077797

    Remote Desktop sign-in failures and shutdown restarts get fixes

    Some Remote Desktop sign-ins fail, and some Secure Launch devices restart instead of shutting down or hibernating. This out-of-band update addresses both problems.

    Check the newer update, KB5078132
    Windows 11, version 23H2, Enterprise and Education editions reach the end of updates on November 10, 2026.
    Known issues: 2 open
    • Some devices with Virtual Secure Mode enabled might fail to shut down or hibernate
    • Apps might become unresponsive when saving files to cloud-based storage

    Key changes 3 changes

    • Improved Servicing stack: The component that installs Windows updates gets a quality improvement.
    • Fix Remote Desktop: Some users had sign-in failures when connecting through Remote Desktop. This update fixes the issue.
    • Fix Power & Battery: Some devices with Secure Launch enabled restarted instead of shutting down or entering hibernation. This update fixes the issue.

    Read update Source: Microsoft

    Build
    22631.6494
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Security update
    Zero-day

    KB5074109

    Exploited Desktop Window Manager flaw patched; modem drivers removed

    The update patches an actively exploited flaw in Desktop Window Manager and removes four older modem drivers, which can leave dependent modem hardware unusable.

    Check the newer update, KB5077744
    Windows 11 version 24H2 Home and Pro editions reach the end of updates on October 13, 2026.
    Known issues: 3 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Apps might become unresponsive when saving files to cloud-based storage
    • Connection and authentication failures in Azure Virtual Desktop and Windows 365

    Key changes 86 CVEs · 10 changes

    • New Start menu: The redesigned Start menu continues to reach more devices over time.
    • Improved Credentials autofill: Some credential prompts no longer accept virtual keyboard input from remote support or screen sharing tools.
    • Improved Secure Boot: Eligible devices receive new Secure Boot certificates in phases after they show successful update signals.

    Read update Source: Microsoft

    Builds
    26100.7623 · 26200.7623
    Security
    86 fixed · 3 critical · 1 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5073455

    Exploited Desktop Window Manager flaw patched; RDP issues addressed

    An actively exploited Desktop Window Manager flaw gets a security fix. The update also removes several modem drivers and addresses Remote Desktop connection failures.

    Check the newer update, KB5077797
    Windows 11, version 23H2 Enterprise and Education editions reach the end of updates on November 10, 2026. Secure Boot certificates used by most Windows devices began expiring in June 2026; devices without new certificates still start and receive standard updates.
    Known issues: 3 open
    • Apps might become unresponsive when saving files to cloud-based storage
    • Connection and authentication failures in Azure Virtual Desktop and Windows 365
    • Secure Launch-capable devices might fail to shut down or hibernate

    Key changes 80 CVEs · 7 changes

    • Improved Credentials autofill: Some credential prompts no longer accept input from virtual keyboards during remote support or automated sign-in.
    • Improved Secure Boot: Windows can deliver new Secure Boot certificates in stages to eligible devices.
    • Improved Servicing stack: The update improves the component that installs Windows updates.

    Read update Source: Microsoft

    Build
    22631.6491
    Security
    80 fixed · 2 critical · 1 exploited
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Security update Also for Windows Server
    Zero-day

    KB5072033

    Cloud Files driver flaw under attack; File Explorer flash fixed

    An actively exploited Cloud Files driver flaw is addressed, and File Explorer’s brief white flash is fixed. The update also includes fixes for virtual switches and other issues.

    Check the newer update, KB5074109
    Windows 11 version 24H2 Home and Pro reaches the end of updates on October 13, 2026.
    Known issues: 3 open Organizations and IT administrators
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Mirror networking on Windows Subsystem for Linux might fail
    • RemoteApp sessions might fail to start on Azure Virtual Desktop

    Key changes 34 CVEs · 7 changes

    • Improved PowerShell 5.1: A warning now asks before web content can run a script through PowerShell.
    • Improved System Components: Some isolated situations should be more reliable because a Windows service now starts automatically.
    • Improved AI Components: AI components are updated on Copilot+ PCs.

    Read update Source: Microsoft

    Builds
    26100.7462 · 26200.7462
    Security
    34 vulnerabilities fixed · 1 actively exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5071417

    Closes exploited Cloud Files flaw; adds a PowerShell warning

    The update fixes 30 Important vulnerabilities, including an exploited Cloud Files driver flaw. PowerShell 5.1 now warns before running scripts from web content.

    Check the newer update, KB5073455
    Secure Boot certificates used by most Windows devices started expiring in June 2026. Devices without the newer certificates can still start and receive standard Windows updates; check certificate status in Windows Security.

    Key changes 30 CVEs · 3 changes

    • Improved PowerShell 5.1: Invoke-WebRequest now shows a security warning before processing web content that could run scripts. You can continue or cancel.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix Windows security: Windows receives fixes for security issues.

    Read update Source: Microsoft

    Build
    22631.6345
    Security
    30 vulnerabilities fixed · 1 actively exploited
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional preview
    Preview

    KB5070311

    File Explorer dark mode refreshed; handheld gaming expands

    File Explorer gets refreshed dark-mode dialogs, and more handheld PCs can use the Xbox full-screen experience. Some users might still see a brief white flash when opening File Explorer in dark mode.

    Check the newer update, KB5072033
    Known issues: 4 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Mirror networking on Windows Subsystem for Linux might fail
    • and 2 more

    Key changes 49 changes

    • New Agent in Settings: Settings search shows more results and adds a scroll bar.
    • New Agent in Settings: Recommended settings can show an inline agent option for recently changed settings.
    • New Agent in Settings: A dialog explains why a setting cannot be changed further and offers a way to adjust it.

    Read update Source: Microsoft

    Builds
    26100.7309 · 26200.7309
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview Final update for this version

    KB5070312

    File Explorer clicks and Chinese-named TAR extraction addressed

    Addresses File Explorer mouse-click problems, TAR extraction failures with long Chinese names, and other issues. It is the final preview update for version 23H2; supported editions will receive only monthly security updates going forward.

    Check the newer update, KB5071417
    This is the final preview update for version 23H2. Supported editions will receive only monthly security updates going forward.

    Key changes 5 changes

    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix Country and Operator Settings Asset (COSA): Profiles for certain mobile operators are brought up to date.
    • Fix File Explorer: Addresses cases where File Explorer sometimes stopped responding to mouse clicks until you closed and reopened it.

    Read update Source: Microsoft

    Build
    22631.6276
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Out-of-band update Also for Windows Server
    Out-of-band

    KB5072359

    24H2 moves to build 26100.7178

    KB5072359 updates Windows 11, version 24H2 to build 26100.7178. It is listed as an out-of-band cumulative update.

    Support for Windows 11, version 24H2 ends on October 13, 2026 for Home and Pro, and October 12, 2027 for Enterprise and Education.

    Key security notes

    • Other The update brings Windows 11, version 24H2 to build 26100.7178.

    Read update Source: Microsoft

    Build
    26100.7178
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Security update Also for Windows Server
    Zero-day

    KB5068861

    Exploited Windows kernel flaw patched; handheld battery drain fixed

    An actively exploited Windows kernel flaw is patched, along with fixes for handheld gaming battery drain and other problems. The password icon and WSL VPN issues remain listed as known issues.

    Check the newer update, KB5070311
    Windows 11 version 24H2 Home and Pro support ends on October 13, 2026.
    Known issues: 2 open Organizations and IT administrators
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Mirror networking on Windows Subsystem for Linux might fail

    Key changes 34 CVEs · 9 changes

    • Improved AI components: Copilot+ PCs receive updated AI components.
    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.
    • Fix Gaming: Gaming handhelds can stay in low-power states again, helping prevent faster battery drain.

    Read update Source: Microsoft

    Builds
    26100.7171 · 26200.7171
    Security
    34 fixed · 2 critical · 1 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5068865

    HTTP request parsing tightened; kernel flaw exploited

    Fixes an HTTP.sys request-parsing issue and addresses 33 vulnerabilities, including an actively exploited Windows Kernel flaw. It also includes improvements to the servicing stack.

    Check the newer update, KB5070312
    Secure Boot certificates used by most Windows devices have started expiring in June 2026. Devices without newer certificates continue to start and operate normally and continue to receive standard Windows updates.

    Key changes 33 CVEs · 2 changes

    • Improved Servicing stack: The component that installs Windows updates gets quality improvements to help devices receive and install updates.
    • Fix Networking: HTTP requests are parsed correctly when front-end proxies are involved, avoiding a parsing discrepancy caused by a single line break in...
    • Exploited CVE-2025-62215: Windows Kernel Elevation of Privilege Vulnerability

    Read update Source: Microsoft

    Build
    22631.6199
    Security
    33 fixed · 2 critical · 1 exploited
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional preview
    Preview

    KB5067036

    Redesigned Start menu, new Click to Do actions, and fixes

    The Start menu gets a redesigned layout, while Copilot+ PCs gain new Click to Do and voice access features. The preview also fixes problems with File Explorer, display, sign-in, and Windows Update.

    Check the newer update, KB5068861
    Secure Boot certificates have started expiring in June 2026. Devices without the newer certificates still start and receive updates; check your PC's status in Windows Security. Windows 11, version 24H2 Home and Pro reach the end of updates on October 13, 2026.
    Known issues: 3 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Mirror networking on Windows Subsystem for Linux might fail
    • Task Manager might continue running in the background after the app is closed

    Key changes 49 changes

    • New Click to Do: Click to Do shows suggested prompts for selected text and lets you send a custom prompt to Copilot.
    • New Click to Do: Click to Do can suggest a Copilot translation for selected text in another language.
    • New Click to Do: Click to Do can convert units, including length, area, temperature, and speed.

    Read update Source: Microsoft

    Builds
    26100.7019 · 26200.7019
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5067112

    Fixes touch-keyboard input and virtual-switch network loss

    Addresses touch-keyboard input failures after sleep, network loss from external virtual switches, and other issues. It also enables Personalized Offers during setup and in Settings.

    Check the newer update, KB5068865
    Support for version 23H2 Home and Pro editions ended on November 11, 2025.

    Key changes 6 changes

    • New Shell: Personalized Offers is enabled during device setup and in Settings after you reach the desktop.
    • Improved Servicing stack: The update improves the component that installs Windows updates, helping devices receive and install updates reliably.
    • Fix App compatibility (known issue): Unexpected User Account Control prompts for some apps, including Autodesk AutoCAD, are addressed.

    Read update Source: Microsoft

    Build
    22631.6133
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Out-of-band update Also for Windows Server
    Out-of-band

    KB5070881

    Version 24H2 advances to build 26100.6905

    Advances version 24H2 to build 26100.6905.

    Windows 11, version 24H2 Home and Pro editions are scheduled to receive updates through October 13, 2026.

    Key security notes

    • Other The update advances version 24H2 to build 26100.6905.

    Read update Source: Microsoft

    Build
    26100.6905