Filtered Update Catalog
Preview — All products
26–50 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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.NET Framework · 3.5, 4.8.1PreviewKB5074831
ClickOnce hash checks added; arm64 runtime crash addressed
Adds ClickOnce verification for SHA384 and SHA512 and addresses an issue that could crash the .NET runtime on arm64 devices.
Builds 4.8.9324.0 2.0.50727.9180Replaced by KB5082420 →
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Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5070311
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.
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Windows 11 · 23H2Windows 11 23H2 Windows 11 23H2 Optional previewPreview Final update for this version Final update for this versionKB5070312
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.
Build 22631.6276Replaced by KB5071417 →
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Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5067036
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.
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Windows 11 · 23H2Windows 11 23H2 Windows 11 23H2 Optional previewPreviewKB5067112
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.
Build 22631.6133Replaced by KB5068865 → -
.NET Framework · 3.5, 4.8.1PreviewKB5067931
.NET Runtime calls updated to meet current standards
The preview updates .NET Runtime operating-system calls for compliance with current standards. It adds no new security improvements.
Builds 4.8.9323.0 2.0.50727.9180Replaced by KB5074828 →
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Windows 11 · 24H2, 25H2Windows 11 24H2 / 25H2 Windows 11 24H2 / 25H2 Optional previewPreviewKB5065789
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.
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Windows 10 · 22H2Windows 10 22H2 Windows 10 22H2 Optional preview Also for Windows 11PreviewKB5066198
SMBv1 file sharing and Autopilot enrollment issues fixed
Fixes SMBv1 file-sharing connection problems and an Autopilot enrollment page that could fail to load. Windows 10 support ended October 14, 2025.
Build 19045.6396Replaced by KB5066791 →
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Windows 11 · 23H2Windows 11 23H2 Windows 11 23H2 Optional previewPreviewKB5065790
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.
Build 22631.5984Replaced by KB5066793 →
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.NET Framework · 3.5, 4.8.1PreviewKB5064401
ASP.NET event logging fixed; WPF certificate update addressed
Addresses missing ASP.NET error events in the Windows Event log and a WPF GB18030 certificate update. You must restart after installation if affected files are in use.
Builds 4.8.9316.0 2.0.50727.9179Replaced by KB5066131 → -
.NET Framework · 3.5, 4.8.1PreviewKB5064403
ASP.NET event logging and GB18030 certificate handling updated
The update addresses ASP.NET error events that might not be logged properly and a WPF update for the GB18030 certificate used in Chinese language changes.
Builds 4.8.9316.0 2.0.50727.9179Replaced by KB5066133 → -
.NET Framework · 3.5, 4.8.1PreviewKB5064400
ASP.NET event logging fixed; GB18030 certificate updated
The update addresses ASP.NET event logging and a GB18030 certificate update for Chinese-language changes. If you already installed the August 26 release, you do not need to take action.
Builds 4.8.9316.0 2.0.50727.9179Replaced by KB5066130 → -
.NET Framework · 3.5, 4.8PreviewKB5064399
ASP.NET event logging issue addressed; WPF certificate change
Some ASP.NET error events that failed to log properly in Windows Event log are addressed. The update also includes a WPF change related to the GB18030 certificate for Chinese-language changes.
Builds 4.8.4796.0 2.0.50727.9179Replaced by KB5066135 →
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Windows 11 · 24H2Windows 11 24H2 Windows 11 24H2 Optional previewPreviewKB5064081
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.
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Windows 11 · 23H2Windows 11 23H2 Windows 11 23H2 Optional previewPreviewKB5064080
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.
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Windows 10 · 22H2Windows 10 22H2 Windows 10 22H2 Optional preview Also for Windows 11PreviewKB5063842
ESU eligibility check and organizational backup arrive
Adds an opt-in way for eligible organizations to check Windows 10 ESU eligibility and makes Windows Backup for Organizations generally available. It also fixes several input, search, and app-approval problems.
Build 19045.6282Replaced by KB5065429 → -
.NET Framework · 3.5, 4.8PreviewKB5064794
Cumulative quality updates for .NET runtime components
Includes quality and reliability improvements for .NET Framework 3.5, 4.8 and 4.8.1. Windows Update downloads and installs it automatically; a restart might be requested.
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Windows 11 · 24H2Windows 11 24H2 Windows 11 24H2 Optional previewPreviewKB5062660
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.
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Windows 11 · 23H2Windows 11 23H2 Windows 11 23H2 Optional previewPreviewKB5062663
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.
Build 22631.5699Replaced by KB5063875 → -
Windows 10 · 22H2Windows 10 22H2 Windows 10 22H2 Optional preview Also for Windows 11PreviewKB5062649
Core file system hangs and input-method failures addressed
Addresses rare stability problems that could leave some PCs unresponsive, along with several input-method and emoji-search failures. It also adds a Secure Boot protection deployment option.
Build 19045.6159Replaced by KB5063709 →
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.NET Framework · 3.5, 4.8.1PreviewKB5056579
Type-converter concurrency and runtime error dialogs addressed
Addresses .NET type-converter concurrency problems and error-reporting dialogs linked to DLL loading and OS code integrity checks. It adds no new security improvements; devices that already installed it need no action.
Builds 4.8.9310.0 2.0.50727.9179Replaced by KB5064401 → -
.NET Framework · 3.5, 4.8.1PreviewKB5056578
Addresses type-converter concurrency and runtime error dialogs
The update addresses a .NET type-conversion concurrency issue and error dialogs triggered by .NET DLL loads under OS code integrity enforcement. If you installed it previously, the July release requires no action.
Builds 4.8.9310.0 2.0.50727.9179Replaced by KB5064400 → -
.NET Framework · 3.5, 4.8PreviewKB5056577
TypeDescriptor concurrency and .NET error dialogs addressed
The update addresses two .NET reliability issues: concurrency in TypeDescriptor calls and error dialogs during DLL loads. The July 8 release is unchanged from April 22; if you already installed it, no action is needed.
Builds 4.8.4790.0 2.0.50727.9179Replaced by KB5064399 →
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Windows 11 · 24H2Windows 11 24H2 Windows 11 24H2 Optional previewPreviewKB5060829
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.
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Windows 11 · 23H2Windows 11 23H2 Windows 11 23H2 Optional previewPreviewKB5060826
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.