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

KB5070773

KB5070773: Cumulative update for Windows 11, versions 24H2 and 25H2, October 2025. Keyboards and mice work again in Windows Recovery

In short

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.

Does it affect you? Applies to: Devices running Windows 11, version 25H2, build 26200.6901, or version 24H2, build 26100.6901.

Builds
26100.6901 · 26200.6901
Restart
Required

Microsoft publishes separate notes for this KB for Windows Server.

What changes

Improvements 2 changes

AI components

Verified in package
  • Four AI components receive version 1.2509.1022.0. These updates apply only to Copilot+ PCs.1
    Image Search, Content Extraction, Semantic Analysis, and Settings Model are updated to version 1.2509.1022.0.

Servicing stack

For: devices installing this update

  • The component that installs Windows updates receives quality improvements.2
    Includes servicing stack update KB5067360, build 26100.6893.

Fix 1 change

USB

  • USB keyboards and mice work again in Windows Recovery, where they could stop working after the October 14 security update.3
    Fixes USB device input in Windows Recovery Environment (WinRE); the devices continued to work normally in Windows.

Known issues

  1. Open Affects: Organizations and IT administrators

    Password icon might be missing or invisible in the lock screen sign-in options

    The password icon might be invisible on the lock screen, mainly in enterprise or managed environments. The password button might still be available.4

    How to apply the workaround Workaround

    Select the blank space where the password icon should appear, then enter the password.4

  2. Open Affects: Everyone

    Problems playing protected content in some BluRay/DVD/Digital TV apps

    Some Blu-ray/DVD and digital TV apps might have trouble playing protected content after earlier updates. Streaming services are not affected.5

    Workaround status No workaround yet

    Microsoft has not published a manual workaround for this issue yet. Monitor release health until a resolving update is available.

  3. Open Affects: Organizations and IT administrators

    IIS websites might fail to load

    IIS websites might fail to load after earlier updates, including sites hosted on localhost. This might not happen in every environment.6

    How to apply the workaround Workaround

    Check for and install available updates, then restart the device even if no updates are installed.6

    Step-by-step workaround instructions
    3 steps
    Show steps Hide steps
    Step-by-step procedure
    1. Open Settings and go to Windows Update.
    2. Search for updates and install any that are available.
    3. Restart the device, even if no updates were installed.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2025-10-20
Classification
Updates
Type
Cumulative update
Restart
Required
Replaces
KB5066835, KB5065789, KB5068221, KB5065426
+33 earlier KB5064081, KB5063878, KB5062660, KB5064489, KB5062553, KB5060829, KB5063060, KB5060842, KB5058499, KB5061977, KB5058411, KB5055627, KB5059087, KB5055523, KB5053656, KB5053598, KB5052093, KB5051987, KB5050094, KB5050009, KB5048667, KB5046740, KB5046617, KB5044384, KB5044284, KB5043178, KB5043080, KB5041865, KB5041571, KB5040529, KB5040435, KB5039304, KB5039239
Replaced by
KB5068861
VersionBuildChannel
24H2 26100.6901 General availability
25H2 26200.6901 General availability

Security

No vulnerabilities are listed for this update.

Updated components

263 files changed since the previous update for the same versions.

Top changed componentsFiles
Graphics and display3
Kernel3
File Explorer and shell2
Hyper-V and virtualization2
Secure Boot2
Settings2
Windows Update2
Printing1

Verified in package: changed files confirm AI components.

Sources

Updated
Cited passages from Microsoft's official notes (6)
  1. 1. Image Search 1.2509.1022.0 Content Extraction 1.2509.1022.0 Semantic Analysis 1.2509.1022.0 Settings Model 1.2509.1022.0 support.microsoft.com
  2. 2. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. support.microsoft.com
  3. 3. Fixed: After installing the Windows security update released on October 14, 2025 (KB5066835), USB devices, such as keyboards and mice, do not function in the Windows Recovery Environment (WinRE). support.microsoft.com
  4. 4. Individuals using Windows Home or Pro editions on personal devices are very unlikely to experience this issue. This issue primarily affects enterprise or managed IT environments. support.microsoft.com
  5. 5. Some Digital TV and Blu-ray/DVD apps might not play protected content as expected after installing the August 29, 2025, Windows non-security preview update (KB5064081), or later updates. support.microsoft.com
  6. 6. After installing the non-security September update (KB5065789) for Windows 11, version 25H2, or the security October update (KB5066835) for Windows 11, version 24H2, server-side applications that rely on HTTP.sys might experience issues with incoming connections. support.microsoft.com
Checked automatically: 8 of 8 checks passed, 6 quoted passages · compared with Microsoft's page on Oct 20, 2026
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 4/5, clarity 4/5, completeness 4/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake