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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 24H2 / 25H2 Windows 11 24H2 / 25H2 Out-of-band update Also for Windows Server
    Out-of-band

    KB5070773

    Keyboards and mice work again in Windows Recovery

    Keyboards and mice work again in Windows Recovery after the October 14 security update blocked USB input there. USB devices continue to work normally in Windows.

    Check the newer update, KB5067036
    Secure Boot certificates used by most Windows devices start expiring in June 2026. Review Microsoft's guidance and update certificates in advance.
    Known issues: 3 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Problems playing protected content in some BluRay/DVD/Digital TV apps
    • IIS websites might fail to load

    Key changes 3 changes

    • Improved AI components: Four AI components receive version 1.2509.1022.0. These updates apply only to Copilot+ PCs.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix USB: USB keyboards and mice work again in Windows Recovery, where they could stop working after the October 14 security update.

    Read update Source: Microsoft

    Builds
    26100.6901 · 26200.6901
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Security update Also for Windows Server
    Zero-day

    KB5066835

    Exploited modem and Remote Access flaws addressed

    Windows closes actively exploited flaws in its modem driver and Remote Access Connection Manager. File Explorer also disables previews for files downloaded from the internet.

    Check the newer update, KB5070773
    Secure Boot certificates used by most Windows devices have started expiring in June 2026. Review Microsoft's guidance and prepare to update them in advance.
    Known issues: 4 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Problems playing protected content in some BluRay/DVD/Digital TV apps
    • and 2 more

    Key changes 126 CVEs · 10 changes

    • Improved Cryptography: RSA-based smart card certificates must use a newer Windows certificate storage method.
    • Improved File Explorer: File Explorer turns off previews for files downloaded from the internet to help prevent a security risk.
    • Improved AI components: Four AI components receive updates on Copilot+ PCs.

    Read update Source: Microsoft

    Builds
    26100.6899 · 26200.6899
    Security
    126 fixed · 2 critical · 3 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5066793

    Exploited Remote Access flaw addressed; risky file previews disabled

    The update addresses 109 vulnerabilities, including three exploited flaws, and disables File Explorer previews for files downloaded from the internet. It also removes a fax-modem driver and addresses PowerShell remoting timeouts.

    Check the newer update, KB5067112
    Secure Boot certificates used by most Windows devices have started expiring in June 2026. Review Microsoft's guidance and update certificates in advance to avoid possible boot disruption.

    Key changes 109 CVEs · 5 changes

    • Improved Cryptography: RSA-based smart card certificates use a different Windows certificate provider. Smart card authentication might be affected by this cha...
    • Improved File Explorer: File Explorer automatically disables previews for files downloaded from the internet.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.

    Read update Source: Microsoft

    Build
    22631.6060
    Security
    109 fixed · 2 critical · 3 exploited
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional preview
    Preview

    KB5065789

    New accessibility, desktop and file tools; fixes for sign-in and playback

    Adds Windows features and fixes several input, sign-in, virtualization and media problems. Some protected-content playback issues remain, and Secure Boot certificates have started expiring in June 2026.

    Check the newer update, KB5066835
    Secure Boot certificates used by most Windows devices have started expiring in June 2026. Review Microsoft's guidance and prepare to update them to avoid possible secure-boot disruption.
    Known issues: 3 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Problems playing protected content in some BluRay/DVD/Digital TV apps
    • IIS websites might fail to load

    Key changes 47 changes

    • New Click to Do: New and popular action tags in the Click to Do menu help you find AI-powered actions.
    • New Agents in Settings: Agent search results include a direct link to the related Settings page.
    • New Desktop: You can move the on-screen indicators for brightness, volume, airplane mode and virtual desktops to a different screen position.

    Read update Source: Microsoft

    Builds
    26100.6725 · 26200.6725
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5065790

    SMB file sharing and SIM-PIN sign-in problems fixed

    Addresses SMB file-sharing failures and fixes a sign-in screen freeze after entering a SIM PIN.

    Check the newer update, KB5066793
    Support for version 23H2 Home and Pro ended on November 11, 2025.

    Key changes 9 changes

    • Improved Country and Operator Settings Asset (COSA): Profiles for certain mobile operators are brought up to date.
    • Fix Authentication: The sign-in screen no longer stops responding after you enter a SIM PIN while signing in over a mobile broadband connection.
    • Fix Browser: Addresses an issue that could make Microsoft Edge stop responding when certain same-domain redirects occur in Internet Explorer compati...

    Read update Source: Microsoft

    Build
    22631.5984
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Out-of-band update Also for Windows Server
    Out-of-band

    KB5068221

    App-V Office app failures addressed

    Office apps running in App-V get a fix for a handle-closure failure. Secure Boot certificates start expiring in June 2026, so affected devices should be prepared in advance.

    Check the newer update, KB5065789
    Secure Boot certificates used by most Windows devices start expiring in June 2026. Microsoft recommends reviewing its guidance and updating certificates in advance.
    Known issues: 3 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Problems playing protected content in some BluRay/DVD/Digital TV apps
    • SMBv1 protocol connectivity

    Key changes 3 changes

    • Improved AI components: AI components receive updated versions on Copilot+ PCs. They do not install on other Windows PCs or Windows Server.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix Virtualization and platform compatibility: Office apps running in App-V get a fix for a failure caused by a handle closing twice.

    Read update Source: Microsoft

    Build
    26100.6588
    Restart
    Required
  • Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Security update Also for Windows Server

    KB5065426

    Hyper-V and graphics flaws patched; input and audio issues fixed

    Critical Hyper-V and graphics security flaws are patched, along with a publicly disclosed SMB flaw. The update also fixes app input and audio problems.

    Check the newer update, KB5068221
    Secure Boot certificates used by most Windows devices started expiring in June 2026. Review Microsoft's guidance and update certificates in advance to avoid possible boot problems.
    Known issues: 4 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Problems playing protected content in some BluRay/DVD/Digital TV apps
    • and 2 more

    Key changes 54 CVEs · 8 changes

    • Improved File server: Organizations can check for device or software problems with SMB Server signing and EPA before deploying hardening measures.
    • Improved AI Components: Four AI components receive updates on applicable Copilot+ PCs.
    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.

    Read update Source: Microsoft

    Builds
    26100.6584 · 26200.6584
    Security
    54 fixed · 8 critical
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update

    KB5065431

    SMBv1 file sharing may fail; MSI repairs get fewer UAC prompts

    Shared folders might stop opening over SMBv1 after installation. The update also reduces unexpected prompts during some MSI repairs and includes a fix for a publicly disclosed Windows SMB flaw.

    Check the newer update, KB5065790
    At this release, support was due to end for Windows 11, version 22H2 on October 14, 2025, and version 23H2 Home and Pro on November 11, 2025. Microsoft recommends upgrading to a newer version.
    Known issues: 1 open
    • SMBv1 protocol connectivity

    Key changes 50 CVEs · 3 changes

    • New File server: IT teams can check whether devices or software may conflict with SMB server security settings before turning on those protections.
    • Improved Servicing stack: The part of Windows that installs updates gets quality improvements.
    • Fix App compatibility (known issue): Some non-admin users get fewer unexpected approval prompts during certain app setup or repair steps.

    Read update Source: Microsoft

    Build
    22631.5909
    Security
    50 fixed · 8 critical
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Optional preview
    Preview

    KB5064081

    Recall, Widgets and sign-in changes; legacy PowerShell removed

    Recall gets a personalized homepage, while Windows PowerShell 2.0 is removed from version 24H2. The preview also adds lock screen widgets and fixes several sign-in, audio and app problems.

    Check the newer update, KB5065426
    Most Windows Secure Boot certificates start expiring in June 2026. Review Microsoft's guidance and prepare to update them.
    Known issues: 4 open
    • Password icon might be missing or invisible in the lock screen sign-in options
    • Problems playing protected content in some BluRay/DVD/Digital TV apps
    • and 2 more

    Key changes 40 changes

    • New Recall: Recall opens to a homepage with recent activity, snapshots, and frequently used apps and websites.
    • New Click to Do: A first-use tutorial shows how to use Click to Do with text and images.
    • New System dialog: When an app asks to use a device feature, Windows shows a redesigned privacy prompt in the center of a dimmed screen.

    Read update Source: Microsoft

    Build
    26100.5074
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5064080

    Windows Backup reaches general availability; Explorer and input fixes

    Windows Backup for Organizations is generally available, and the preview fixes File Explorer, input, and other problems. Standard users might still see unexpected UAC prompts during MSI repairs; KB5065431 addresses the issue.

    Check the newer update, KB5065431
    Secure Boot certificates used by most Windows devices start expiring in June 2026. Microsoft recommends reviewing its guidance and preparing to update them.
    Known issues: 1 open
    • Unexpected User Account Control (UAC) prompt when doing MSI repair operations

    Key changes 15 changes

    • New Windows Backup for Organizations: Windows Backup for Organizations is now generally available for organizations.
    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.
    • Fix Copilot: The Copilot key works more reliably, and users can restart Copilot after using the key.

    Read update Source: Microsoft

    Build
    22631.5840
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Out-of-band update
    Out-of-band

    KB5066189

    Reset failures addressed; MSI repair prompts listed

    Attempts to reset or recover a device might fail after the August security update; this optional release addresses that problem. Standard users might still see unexpected prompts during app repairs.

    Check the newer update, KB5064080
    Secure Boot certificates used by most Windows devices have started expiring in June 2026. Review Microsoft’s guidance and update certificates in advance.
    Known issues: 1 open
    • Unexpected User Account Control (UAC) prompt when doing MSI repair operations

    Key changes 3 changes

    • Improved Windows 11, version 23H2: Includes the quality improvements from the August 12 update.
    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.
    • Fix Reset and recovery: Resetting or recovering a device might fail after the August 2025 security update. This release addresses the problem.

    Read update Source: Microsoft

    Build
    22631.5771
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Security update Also for Windows Server

    KB5063878

    Critical graphics flaws and new-device sign-in delays addressed

    Critical graphics and other security flaws are addressed, along with delays when signing in on new devices. Secure Boot certificates need attention before they expire.

    Check the newer update, KB5064081
    Secure Boot certificates have started expiring in June 2026. Review Microsoft's guidance and update certificates in advance to avoid boot disruption.
    Known issues: 4 open
    • Network Device Interface streaming performance issue
    • Unexpected User Account Control (UAC) prompt when doing MSI repair operations
    • and 2 more

    Key changes 49 CVEs · 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 Authentication: Sign-in delays on some new devices caused by preinstalled packages are addressed.

    Read update Source: Microsoft

    Build
    26100.4946
    Security
    49 fixed · 5 critical
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update

    KB5063875

    Fixes 47 vulnerabilities (4 critical)

    Security fixes cover a GDI+ code execution flaw and other Windows components. The Copilot key works more reliably, while Secure Boot certificates need attention before they expire.

    Check the newer update, KB5066189
    Support for Windows 11 version 23H2 Home and Pro ends November 11, 2025. Upgrade to a newer Windows 11 version to stay protected and up to date.
    Known issues: 2 open
    • Unexpected User Account Control (UAC) prompt when doing MSI repair operations
    • Reset and recovery issue

    Key changes 47 CVEs · 2 changes

    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.
    • Fix Copilot: The Copilot key works more reliably, and using it no longer stops Copilot from restarting.
    • Critical CVE-2025-53766: GDI+ Remote Code Execution Vulnerability

    Read update Source: Microsoft

    Build
    22631.5768
    Security
    47 fixed · 4 critical
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Optional preview
    Preview

    KB5062660

    Recall reaches the EEA; Settings and File Explorer fixes

    Recall adds snapshot export in the EEA, and Click to Do gains new reading and writing actions. The preview also fixes several Settings, File Explorer, and stability problems.

    Check the newer update, KB5063878
    Secure Boot certificates used by most Windows devices started expiring in June 2026. Review Microsoft's guidance and update certificates in advance.
    Known issues: 1 open
    • Error events are logged for CertificateServicesClient

    Key changes 29 changes

    • New Recall: Recall is now available in the European Economic Area. Users there can export snapshots to trusted apps and websites.
    • New Recall: Recall users worldwide can reset the feature and delete all its saved data.
    • New Click to Do: A new action lets you practice reading text aloud and get feedback on fluency and pronunciation.

    Read update Source: Microsoft

    Build
    26100.4770
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5062663

    ReFS backup exhaustion and input method problems addressed

    Addresses problems with ReFS backups, Chinese and phonetic input, device responsiveness, and accessibility icons. It also warns that Secure Boot certificate expiration could affect certain devices if certificates are not updated in time.

    Check the newer update, KB5063875
    Secure Boot certificates began expiring in June 2026. Certain personal and business devices might be unable to boot securely if their certificates are not updated in time; review Microsoft's guidance and prepare.

    Key changes 10 changes

    • Improved Printer: Printer names are easier to identify during printer setup with IPP Directed Discovery.
    • 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.

    Read update Source: Microsoft

    Build
    22631.5699
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Out-of-band update Also for Windows Server
    Out-of-band

    KB5064489

    Azure VM startup issue addressed; Secure Boot certificate warning

    Addresses a startup issue affecting some Azure virtual machines with VBS enabled. Secure Boot certificates for most Windows devices began expiring in June 2026, which might affect secure boot if they are not updated in time.

    Check the newer update, KB5062660
    Secure Boot certificates used by most Windows devices began expiring in June 2026. If they are not updated in time, certain personal and business devices might not boot securely; review the guidance and update certificates in advance.

    Key changes 2 changes

    • Improved Servicing stack: The component that installs Windows updates is improved to help devices receive and install updates reliably.
    • Fix Azure Virtual Machines: The update addresses a problem that prevented some Azure virtual machines from starting when VBS was enabled.

    Read update Source: Microsoft

    Build
    26100.4656
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Security update Also for Windows Server

    KB5062553

    Game content can drift from the cursor after Alt+Tab

    Game content might become out of sync with the cursor after switching away from some full-screen games and back. The update also fixes notification sounds and includes security fixes.

    Check the newer update, KB5064489
    Secure Boot certificates used by most Windows devices have started expiring in June 2026. Review Microsoft's guidance and update certificates in advance to avoid possible boot problems.
    Known issues: 2 open
    • Azure VM with Trusted Launch disabled
    • Microsoft Changjie Input Method Editor

    Key changes 82 CVEs · 6 changes

    • Improved Microsoft Update Catalog: Microsoft updated the second MSU file listed for Catalog installation on May 26, 2026.
    • Improved Security: The update includes security fixes for Windows.
    • Improved AI Components: The update refreshes Image Search, Content Extraction, and Semantic Analysis on Copilot+ PCs.

    Read update Source: Microsoft

    Build
    26100.4652
    Security
    82 fixed · 5 critical
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update

    KB5062552

    Changjie typing problems reported; display-change black screens addressed

    Traditional Chinese typing may fail after installation, and display-change black screens are addressed for Windows 11 22H2 Enterprise and Education. The update also covers critical security flaws.

    Check the newer update, KB5062663
    Secure Boot certificates used by most Windows devices have started expiring in June 2026. Review Microsoft's guidance and update certificates in advance to avoid boot problems.
    Known issues: 1 open
    • Microsoft Changjie Input Method Editor

    Key changes 79 CVEs · 3 changes

    • Improved Windows 11, version 23H2: Version 23H2 includes all improvements from version 22H2.
    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.
    • Fix Graphics: Black screens during display changes, such as connecting or disconnecting a monitor, are addressed.

    Read update Source: Microsoft

    Build
    22631.5624
    Security
    79 fixed · 5 critical
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Optional preview
    Preview

    KB5060829

    Narrator Screen Curtain and PC migration begin rolling out

    Narrator gains a Screen Curtain, and Windows starts rolling out PC-to-PC migration. The preview also adds taskbar and sharing changes and fixes several display, input, and search problems.

    Check the newer update, KB5062553
    Known issues: 2 open
    • Noto fonts issue
    • Error events are logged for Windows Firewall

    Key changes 38 changes

    • New App defaults: In the European Economic Area, setting a default browser can also set its registered file and link types and pin it to Start and the ta...
    • New Click to Do: Copilot+ PCs get an action to send text or images to Microsoft 365 Copilot and ask questions.
    • New Narrator: Screen Curtain blacks out the screen while Narrator reads aloud, helping keep on-screen information private.

    Read update Source: Microsoft

    Build
    26100.4484
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Optional preview
    Preview

    KB5060826

    Browser text clarity, PC migration preview and admin fixes

    Adds browser-default and sharing changes, starts a phased PC migration preview, and addresses several problems for Windows 11 22H2 Enterprise and Education. CJK text can still look blurry in Chromium browsers at 96 DPI.

    Check the newer update, KB5062552
    Windows 11 22H2 Enterprise and Education stops receiving non-security preview updates after June 26, 2025. Security updates continue until October 14, 2025, when servicing ends; Microsoft recommends upgrading to a later Windows 11 version.
    Known issues: 1 open
    • Noto fonts issue

    Key changes 14 changes

    • New App defaults: In the European Economic Area, setting a default browser can also set additional file and link types it supports and pin it to Start an...
    • New PC Migration: The Windows Backup app is beginning to show landing and pairing pages for PC-to-PC migration, giving you an early look at the feature....
    • New Windows Share: When you share a link or web content, the Windows share window shows a visual preview.

    Read update Source: Microsoft

    Build
    22631.5549
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Out-of-band update
    Out-of-band

    KB5063060

    Easy Anti-Cheat game restarts addressed

    Opening some games that use Easy Anti-Cheat could restart Windows unexpectedly. This out-of-band update addresses that incompatibility and improves the servicing stack.

    Check the newer update, KB5060829
    Known issues: 2 open
    • Noto fonts issue
    • Print to PDF might not work

    Key changes 2 changes

    • Improved Servicing stack: The component that installs Windows updates gets quality improvements.
    • Fix Easy Anti-Cheat: Opening some games that use Easy Anti-Cheat might restart Windows unexpectedly. This update addresses the incompatibility.

    Read update Source: Microsoft

    Build
    26100.4351
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Security update Also for Windows Server
    Zero-day

    KB5060842

    Exploited shortcut-file flaw patched; restore points limited to 60 days

    An actively exploited Internet Shortcut Files flaw is patched, and restore points now expire after 60 days. Restart if prompted.

    Check the newer update, KB5063060
    Known issues: 3 open
    • Noto fonts issue
    • Print to PDF might not work
    • Update delay with deferral policies

    Key changes 35 CVEs · 4 changes

    • Improved System Restore: Restore points are kept for up to 60 days. Older restore points are not available.
    • Improved AI components: AI components receive updated versions on Copilot+ PCs.
    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.

    Read update Source: Microsoft

    Build
    26100.4349
    Security
    35 fixed · 2 critical · 1 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Security update
    Zero-day

    KB5060999

    Exploited Internet Shortcut flaw patched; Remote Desktop issue addressed

    The update fixes 35 security vulnerabilities, including the exploited Internet Shortcut Files remote-code-execution flaw CVE-2025-33053. It also addresses a Remote Desktop connection issue on Windows 11, version 22H2.

    Check the newer update, KB5060826
    Known issues: 2 open
    • Noto fonts issue
    • Update delay with deferral policies

    Key changes 35 CVEs · 3 changes

    • Improved Windows 11, version 23H2: This build includes the improvements from Windows 11, version 22H2.
    • Improved Servicing stack: The servicing stack, which installs Windows updates, receives quality improvements.
    • Fix Graphics: On Windows 11, version 22H2, the update addresses a graphics issue that could prevent some users from connecting through Remote Desktop...

    Read update Source: Microsoft

    Build
    22631.5472
    Security
    35 fixed · 2 critical · 1 exploited
    Restart
    Required
  • Windows 11 23H2 Windows 11 23H2 Out-of-band update
    Out-of-band

    KB5062170

    Windows recovery error 0xc0000098 addressed; CJK text remains blurry

    Addresses recovery error 0xc0000098 during installation of the May security update. Blurry CJK text at 96 DPI in Chromium-based browsers remains a known issue.

    Check the newer update, KB5060999
    Known issues: 1 open
    • Noto fonts issue

    Key changes 2 changes

    • Improved Servicing stack: The component that installs Windows updates receives quality improvements.
    • Fix Windows recovery: Some customers encountered a recovery error while installing the May 2025 Windows security update. This update addresses the issue; it...

    Read update Source: Microsoft

    Build
    22631.5415
    Restart
    Required
  • Windows 11 24H2 Windows 11 24H2 Optional preview
    Preview

    KB5058499

    Click to Do, Copilot, and search gain new tools; key bugs fixed

    Click to Do, Copilot, and Windows Search gain new features, while fixes address problems with USB devices, printing, and Windows Hello. The preview also has open Noto font and Print to PDF issues.

    Check the newer update, KB5060842
    Known issues: 2 open
    • Noto fonts issue
    • Print to PDF might not work

    Key changes 52 changes

    • New Click to Do: Click to Do can send selected text or an image to Copilot as a prompt.
    • New Click to Do: On AMD- and Intel-powered Copilot+ PCs, Click to Do can summarize selected text, make a bulleted list, or rewrite it.
    • New Click to Do: Click to Do text actions are available in the European Economic Area, including Spanish and French.

    Read update Source: Microsoft

    Build
    26100.4202
    Restart
    Required