Filtered Update Catalog
Preview — All products
1–25 of 124 updates, newest first.
Terms & labels
Label legend
- Security
- Contains fixes for security vulnerabilities.
- Preview
- Optional update with new features and fixes, without new security patches. Its content joins the next Patch Tuesday update.
- Out-of-band
- Released outside the usual monthly schedule, usually to fix a specific problem.
- Cumulative
- Includes everything from earlier updates, so the latest one is enough.
- Zero-day
- Microsoft reports a vulnerability that was already exploited or publicly known when the fix came out.
- Windows Insider Preview
- A pre-release build for testers, not meant for everyday PCs.
- Updated
- We revised this page after publishing because Microsoft changed its notes.
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Windows 11 · 25H2, 26H2Windows 11 25H2 / 26H2 Windows 11 25H2 / 26H2 Optional previewPreview UpdatedKB5127936
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.
Builds 26200.9818 26300.9818Replaced by KB5132061 → -
Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreview UpdatedKB5127653
DPAPI prompt warning and new touchpad gestures
A warning flags the planned April 2027 retirement of prompt-based DPAPI protection. New touchpad gestures, Emoji 17.0, and other Windows features also arrive in this optional preview.
Build 28000.3365Replaced by KB5132059 →
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Windows 11 · 24H2, 25H2, 26H2Windows 11 24H2 / 25H2 / 26H2 Windows 11 24H2 / 25H2 / 26H2 Optional previewPreview Final update for this version Final update for this version UpdatedKB5124010
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.
Builds 26100.9550 26200.9550 26300.9550Replaced by KB5127648 → -
Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreview UpdatedKB5124006
Remote Desktop failures reported; taskbar moves to four screen edges
Adds taskbar and Start menu customization, while some non-admin Remote Desktop connections can fail on devices with Administrator protection enabled.
Build 28000.3086Replaced by KB5127646 →
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Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreviewKB5120996
Voice isolation and external fingerprint sign-in arrive
Adds Voice Isolation and Korean support to Voice Access, plus support for external fingerprint readers with Windows Hello. It also improves File Explorer, power settings and other Windows features.
Build 28000.2804Replaced by KB5124012 → -
Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5120998
Taskbar moves to four edges; WMIC utility removed
Adds extensive taskbar, Start menu, and Search customization. It also removes the WMIC utility from versions 24H2 and 25H2, while Secure Boot certificates for most devices have been expiring since June 2026.
Builds 26100.9278 26200.9278Replaced by KB5124008 → -
.NET Framework · 3.5, 4.8.1PreviewKB5122386
Intermittent crashes in 64-bit .NET scenarios addressed
Addresses an issue that could cause intermittent crashes in some 64-bit .NET Framework scenarios. A restart is required after installation if affected files are in use.
Build 4.8.9345.0Replaced by KB5126053 → -
.NET Framework · 3.5, 4.8.1PreviewKB5122385
Intermittent crashes addressed in 64-bit .NET scenarios
Addresses intermittent crashes in some 64-bit .NET Framework scenarios.
Builds 4.8.9345.0 2.0.50727.9183Replaced by KB5126052 →
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Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreviewKB5101681
Preview moves version 26H1 to build 28000.2608
Advances version 26H1 to OS build 28000.2608. Windows may request a restart.
Build 28000.2608Replaced by KB5121000 → -
Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5101684
Builds advance for 24H2 and 25H2
Advances Windows 11, versions 25H2 and 24H2, to builds 26200.8973 and 26100.8973. Updates for 24H2 Home and Pro end October 13, 2026.
Builds 26100.8973 26200.8973Replaced by KB5121003 →
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Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreviewKB5095091
Point-in-time recovery and NPU details arrive; Office launch issue remains
Adds point-in-time PC recovery and new Task Manager details for NPU use, alongside broad reliability improvements. Some third-party apps might still fail to open Office applications; a later update resolves the issue.
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Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5095093
New recovery tools, accessibility controls, and Bluetooth changes
Adds recovery and update-pause features, expands accessibility and voice controls, and includes many reliability fixes. An Office-launch issue remains for some third-party apps; Microsoft says a later update resolves it.
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Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreviewKB5089570
Shared Audio arrives; File Explorer and system reliability improve
Adds Shared Audio, Xbox mode, new input and taskbar features, and improves several Windows components. It also fixes a File Explorer dark-mode flash and reduces Microsoft Store download and install errors.
Build 28000.2179Replaced by KB5095051 → -
Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5089573
Shared Audio arrives; Secure Boot coverage expands
Adds features including Shared Audio and camera controls, and addresses an installation failure for devices with little free EFI System Partition space. It also improves automatic delivery of updated Secure Boot certificates.
Builds 26100.8524 26200.8524Replaced by KB5094126 → -
.NET Framework · 3.5, 4.8.1PreviewKB5092431
HttpWebRequest hangs and x86 debugger values corrected
Addresses cases where secure web requests hang and where Visual Studio's x86 debugger reports some floating-point values incorrectly.
Build 4.8.9337.0Replaced by KB5101002 → -
.NET Framework · 3.5, 4.8.1PreviewKB5092427
Hanging secure requests and incorrect debugger values addressed
Addresses hanging synchronous web requests in certain secure-connection setups and incorrect floating-point values in Visual Studio’s x86 native debugger.
Builds 4.8.9337.0 2.0.50727.9181Replaced by KB5100998 → -
.NET Framework · 3.5, 4.8.1PreviewKB5092430
Hanging secure requests and debugger values addressed
Addresses cases where secure HTTP requests could hang and floating-point values could be reported incorrectly in Visual Studio’s x86 native debugger.
Builds 4.8.9336.0 2.0.50727.9181Replaced by KB5101001 →
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Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreviewKB5083806
Narrator adds Copilot image descriptions; Remote Desktop warning fixed
Adds Copilot-powered image descriptions in Narrator and fixes a Remote Desktop security warning that could render incorrectly across monitors with different scaling.
Build 28000.1896Replaced by KB5089548 → -
Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5083631
Xbox mode brings a full-screen gaming view to PCs
A full-screen Xbox mode and new input features arrive alongside File Explorer changes and fixes for Remote Desktop and notification hangs. This optional preview also has a BitLocker recovery-key issue on some managed devices.
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Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreviewKB5079489
New taskbar network test, emoji, and recovery features arrive
Adds features such as a taskbar network speed test, new emojis, and expanded recovery options, alongside reliability and performance improvements. It may require a restart.
Build 28000.1764Replaced by KB5083768 → -
Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5079391
Installation error pauses rollout; Narrator adds Copilot descriptions
Adds Narrator image descriptions through Copilot and other Windows changes, but Microsoft has stopped offering it to new devices after some installations failed. KB5086672 includes these changes and fixes the installation problem.
Builds 26100.8116 26200.8116Replaced by KB5086672 →
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Windows 11 · 26H1Windows 11 26H1 Windows 11 26H1 Optional previewPreviewKB5077239
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.
Build 28000.1643Replaced by KB5079466 → -
Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5077241
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.
Builds 26100.7922 26200.7922Replaced by KB5079473 →
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Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5074105
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.
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.NET Framework · 3.5, 4.8.1PreviewKB5074828
ClickOnce gains SHA384 and SHA512 checks; ARM64 CLR crash addressed
Adds SHA384 and SHA512 verification support for ClickOnce and addresses a case where the .NET runtime could crash on ARM64 devices.
Builds 4.8.9325.0 2.0.50727.9180Replaced by KB5082417 →