Windows 11, version 26H2

Build history

• Windows 11 24H2 / 25H2 / 26H2 Windows 11 24H2 / 25H2 / 26H2 Security update

  Updated Nov 12

  KB5132061 Nov 10, 2026

  Remote Desktop and USB audio fixes; NTLM signing strengthened

  Remote Desktop connections and some USB audio devices get fixes, while NTLM signing is enabled by default for more connections. The update also closes a publicly disclosed Brotli decoder flaw.

  Windows 11 version 24H2 Enterprise and Education editions are scheduled to stop receiving updates on October 12, 2027.

  Known issues: 1 open

  • November security update might fail to install on some devices

  Key changes 595 CVEs · 11 changes

  • Improved Secure Boot: More eligible devices can receive newer Secure Boot certificates automatically.
  • Improved Security: More connections use message signing by default, helping reduce exposure to relay attacks.
  • Improved Date and Time: Cuba's clocks follow its extended daylight-saving schedule for 2026–2027.

  Read update → Source: Microsoft ↗

• Windows 11 25H2 / 26H2 Windows 11 25H2 / 26H2 Optional preview

  Preview Updated Nov 10

  KB5127936 Oct 28, 2026

  File Explorer gains a customizable menu; recovery adds cloud rebuild

  File Explorer gets a faster, customizable right-click menu, and Windows adds Cloud rebuild for recovery. The preview also fixes Remote Desktop failures for some non-admin users.

  Check the newer update, KB5132061

  Key changes 43 changes

  • New Context menu in File Explorer: The right-click menu opens faster and lets you choose which commands and app extensions it shows.
  • New Modernized AutoPlay experience: The AutoPlay dialog has a refreshed look, supports dark mode and text scaling, and keeps its alerts in notification center.
  • New File Explorer: File Explorer search results show file names, locations, and dates in a consistent layout.

  Read update → Source: Microsoft ↗

• Windows 11 24H2 / 25H2 / 26H2 Windows 11 24H2 / 25H2 / 26H2 Out-of-band update

  Out-of-band Updated Nov 11

  KB5134133 Oct 26, 2026

  Offline PCs get trusted certificate updates; Smart App Control can fail

  Devices that miss automatic certificate updates receive updated trusted root certificates. Some devices might be unable to turn Smart App Control back on after it was disabled.

  Check the newer update, KB5127936

  Support for Windows 11 version 24H2 Home and Pro ended on October 13, 2026.

  Key changes 3 changes

  • Improved Certificates: Devices that cannot get automatic certificate updates receive an updated set of trusted root certificates.
  • Improved AI components: Four AI components receive updated versions.
  • Improved Servicing stack update: The Windows update installation process becomes more reliable.

  Read update → Source: Microsoft ↗

• Windows 11 24H2 / 25H2 / 26H2 Windows 11 24H2 / 25H2 / 26H2 Security update

  Zero-day Updated Nov 11

  KB5127648 Oct 13, 2026

  Exploited Shell bypass addressed; 24H2 Home and Pro reach end of updates

  Addresses an actively exploited Windows Shell security feature bypass and fixes several problems, including Explorer startup failures and game input stuttering. It is the final update for 24H2 Home and Pro.

  Check the newer update, KB5134133

  Windows 11, version 24H2 Home and Pro have reached end of updates; the October 2026 security update is their last. Microsoft recommends upgrading to the latest version.

  Key changes 1,067 CVEs · 12 changes

  • New Date and Time: The time-zone list includes (UTC-05:00) Manitoba for the region’s November 1, 2026 time-zone change.
  • Improved Secure Boot: Eligible devices continue to receive newer Secure Boot certificates through Windows Update. Devices that have not received them can sti...
  • Improved ReFS security: ReFS volumes on externally attached storage devices gain auditing and optional security controls. Auditing is on by default; enforcemen...

  Read update → Source: Microsoft ↗

• Windows 11 24H2 / 25H2 / 26H2 Windows 11 24H2 / 25H2 / 26H2 Optional preview

  Preview Updated Nov 11

  KB5124010 Sep 22, 2026

  New touchpad gestures, emoji and Widgets; Remote Desktop issue remains

  Adds Windows features and fixes several problems, but non-admin Remote Desktop connections might still fail on managed devices with Administrator protection enabled. It is the final preview for version 24H2.

  Check the newer update, KB5127648

  This is the final preview for version 24H2. Home and Pro updates end October 13, 2026; Enterprise and Education updates continue until October 12, 2027.

  Key changes 49 changes

  • New File Explorer: For downloaded HTML files, the preview pane offers a Preview anyway button after the warning. Other files, such as PDFs, preview automa...
  • New File Explorer: File Explorer Home remembers whether its sections were expanded or collapsed.
  • New Emoji: The emoji panel adds Emoji 17.0 characters, including distorted face, fight cloud, and hairy creature.

  Read update → Source: Microsoft ↗

• Windows 11 24H2 / 25H2 / 26H2 Windows 11 24H2 / 25H2 / 26H2 Out-of-band security update

  Out-of-band Updated Nov 11

  KB5129195 Sep 14, 2026

  Remote Desktop failures and USB multichannel audio fixed

  Protects against a Windows User-Mode Power Service elevation-of-privilege flaw and addresses Remote Desktop instability and USB multichannel audio failures. Other USB Audio Class 1.0 problems remain.

  Check the newer update, KB5124010

  Windows 11 version 24H2 Home and Pro editions are scheduled to stop receiving updates on October 13, 2026.

  Key changes 1 CVE · 5 changes

  • Improved Security: Adds protection against a vulnerability that could let an attacker gain elevated privileges.
  • Improved Windows servicing stack: The component that installs Windows updates receives quality improvements to help devices reliably receive and install updates.
  • Fix Remote Desktop Services: Remote Desktop connections and sign-ins work more reliably in affected environments; servers and related tools are less likely to becom...

  Read update → Source: Microsoft ↗