Windows 11 Updates: January, February, and March 2026 Rollouts, User Reports, and Future Plans

Microsoft has rolled out a series of Windows 11 updates from January to March 2026, encompassing security patches, performance enhancements, and new features for versions 24H2 and 25H2. While these updates introduce capabilities such as Copilot integration, File Explorer improvements, and new system tools, they have also been met with diverse user experiences, including reports of critical issues following some deployments. Concurrently, Microsoft has confirmed plans for a major Windows 11 version 26H2 release in late 2026, alongside specific updates for ARM-based devices.

January 2026 Update (KB5074109)

The first mandatory update of the year, KB5074109, was released in January 2026 for Windows 11 versions 25H2 and 24H2. This Patch Tuesday update advanced PCs to Build 26200.7623 for version 25H2 and Build 26100.7623 for version 24H2. The update package was noted to be over 4GB in size, reportedly due to the inclusion of AI models like Phi for all hardware configurations.

• Addressed 114 security vulnerabilities.
• Removed specific modern drivers (agrsm64.sys, agrsm.sys, smserl64.sys, smserial.sys) citing security reasons and the availability of modern networking alternatives.
• Resolved an issue preventing Windows Subsystem for Linux (WSL) from functioning when accessing resources via a VPN.
• Fixed errors in Azure Virtual Desktop (AVD) environments during Remote Desktop use.
• Addressed a bug where Neural Processing Units (NPU) negatively impacted power performance on specific PCs, leading to improved battery life for NPU-equipped laptops.
• Updated WinSqlite3.dll with security improvements.
• Bundled new Secure Boot certificates for eligible enterprise devices.
• Improved performance for certain games or applications querying monitors and enhanced backlight performance for HID-compliant keyboards.

• Share with Copilot on Taskbar: A toggle enabling users to share an app's screen with Copilot, leveraging a new Windows API for assistance and interaction with on-screen content.
• Recommended Section in File Explorer: A new feed displaying recently accessed, frequently used, and recently downloaded files, compatible with Microsoft and work accounts.
• Advanced Settings Consolidation: Management of features like Sandbox, virtual workspaces, and Hyper-V was moved to Settings > System > Advanced Settings.
• Consistent File Explorer Dark Mode: Ensured dark-themed dialogs for actions such as deleting folders, moving files, or handling error messages.
• Full-screen Experience for Handhelds: A gaming experience that hides the taskbar and other Windows features, prioritizing the Xbox app in full screen and reducing background processes.
• QR Code Sharing: Extended QR code sharing beyond Wi-Fi to include website links and cloud files, adding functionality for Mobile Hotspot.
• Usability Tweaks: Introduced a new account manager in the Start Menu and enabled drag-and-drop functionality for apps to the taskbar.

Microsoft did not identify any new issues with KB5074109; however, a previously identified bug from August 2025, which causes the password icon to be hidden on the lock screen, remained unpatched.
Users reported several critical issues, including:

• Fatal authentication failures (error code 0x8008005) when connecting via Azure Virtual Desktop (AVD).
• Significant decreases in gaming frame rates, with some users, particularly those with NVIDIA graphics cards, reporting drops of approximately 20 FPS.
• An issue where Windows failed to format USB flash drives using the FAT32 file system.

While general home users focused on security were recommended to install the update due to extensive vulnerability patches, professionals relying on Azure Virtual Desktop or remote servers, and serious gamers, were advised to avoid installation until reported critical bugs were addressed.

February 2026 Update (KB5077181)

The February 10, 2026, security update, KB5077181, for Windows 11 versions 24H2 (build 26200.7840) and 25H2 (build 26100.7840), was intended to deliver essential security fixes and quality improvements.

• Addressed 58 vulnerabilities across Windows components.
• Included patches for six zero-day vulnerabilities actively exploited in the wild, as confirmed by CISA’s Known Exploited Vulnerabilities catalog.
• Key patches targeted elevation of privilege flaws, remote code execution risks, and security bypasses in core systems, including:
  • CVE-2026-21510: Windows Shell security feature bypass allowing SmartScreen evasion.
  • CVE-2026-21519: Desktop Window Manager elevation of privilege to SYSTEM level.
  • CVE-2026-21533: Windows Remote Desktop Services elevation of privilege (identified as an exploited zero-day).
  • CVE-2026-20841: Notepad remote code execution via crafted Markdown files.
• Incorporated new Secure Boot certificates to preempt 2011 certificate expirations in June 2026.
• Included fixes for gaming eligibility checks and WPA3 Wi-Fi connectivity.

Despite its intended benefits, the update generated widespread user reports of critical boot failures days after deployment. Devices were described as entering infinite restart loops, often exceeding 15 cycles, which prevented access to the desktop. Affected systems frequently displayed System Event Notification Service (SENS) errors, such as "a specified procedure could not be found," at login, and experienced DHCP failures causing internet loss despite active connections. Installation errors, including 0x800f0983 and 0x800f0991, were also reported, primarily on specific hardware configurations.

As of February 15, Microsoft had not listed any known issues on its release page or health dashboard, despite widespread reports.

Workarounds to resolve boot issues included:

• From a working desktop: Uninstalling KB5077181 via Control Panel > Programs and Features > View installed updates, then pausing Windows Update.
• If boot loops persisted: Entering Windows Recovery Environment to execute wusa /uninstall /kb:5077181 /quiet /norestart via Command Prompt. Running sfc /scannow was also suggested for file repairs.

Enterprises were advised to deploy the update via Windows Server Update Services (WSUS) with testing, monitoring, and careful consideration for release health before broad deployment. Some users reported positive changes such as Nvidia black screen resolutions and explorer.exe stability, though the widespread instability issues prompted caution for non-essential systems.

March 2026 Update and Continuous Innovation

A cumulative Patch Tuesday update for Windows 11 versions 25H2 and 24H2 was scheduled for release on March 10, 2026. This update, part of Microsoft's "Continuous Innovation" strategy, was anticipated to introduce features using Controlled Feature Rollout (CFR) technology, meaning features may appear gradually for users. Many of these features were first previewed to Windows Insiders.

• Taskbar Network Speed Test: A new feature accessible from the Taskbar, Wi-Fi/Cellular Quick Settings, or by right-clicking the network icon, opening a Bing page to perform an internet connection test. The Taskbar's overflow menu was also updated to move only overflowing windows to the secondary menu when using the uncombined option.
• Start Menu Account Option: A new link in the account manager menu directing users to benefits associated with their Microsoft account.
• Camera Pan and Tilt Support: New controls for managing pan and tilt settings under the "Basic settings" section for compatible cameras in the Settings app.
• Native Sysmon Support: System Monitor (Sysmon) became a native tool on Windows 11, installable from "Windows Features" and requiring uninstallation of any Sysinternals version prior to installation.
• Widgets Settings Page: The Widgets dashboard received a dedicated full-page settings experience.
• WebP Image Wallpaper Support: Users gained the ability to set WebP (.webp) images as desktop wallpapers system-wide.
• Quick Machine Recovery (QMR): Enabled by default for non-centrally managed Windows 11 Pro devices, offering recovery features similar to Windows Home users. QMR also became part of Windows Backup for Organizations, automatically restoring user settings and Microsoft Store apps on Microsoft Entra hybrid joined devices, Cloud PCs, and multi-user environments at first sign-in.
• Settings App Dialog Updates: Some dialogs within the Settings app, such as those for storage and printer settings, were updated to align with the Windows 11 design language.
• File Explorer Enhancements: The "Extract All" option in File Explorer gained functionality for non-ZIP archive folders.
• Emoji Version 16: Introduced new emojis, including "face with bags under eyes," "fingerprint," "leafless tree," "root vegetable," "harp," "shovel," and "splatter."
• Task Manager Icon: The Windows Search process in Task Manager was updated to display a magnifier icon.
• Remote Server Administration Tools (RSAT) for ARM64: RSAT support became available for ARM64 devices.
• Microsoft Entra ID Support: Windows 11 gained support for translating Entra cloud group and role security identifiers (SIDs) to readable names, enabling Entra-only groups for file permissions, local group membership, and access control.
• Secure Boot Certificates: The gradual rollout of Secure Boot certificate updates continued, refreshing 2011 certifications to 2023 versions for those expiring in June 2026.

While no widespread issues were reported at the time of the March update's initial release, it was generally advised to wait a few weeks after the rollout before installing, allowing Microsoft time to address potential emerging problems.

Future: Windows 11 Version 26H2 and Beyond

Microsoft has confirmed that Windows 11 version 26H2 is slated for release to the general public in late 2026, likely around October. This update is intended for users currently on Windows 11 25H2 or 24H2. Separately, version 26H1 is designed exclusively for new Snapdragon X2 and other ARM-based CPUs, serving as a platform update rather than a feature update for existing 25H2 users. Microsoft reiterated its annual feature update cadence, with releases occurring in the second half of the calendar year, and stated in November 2025 that 25H2 remained the primary platform for new features.

The existence of Windows 11 26H2 was indicated on January 27, 2026, with the release of Windows 11 Build 26300.7674. This build, part of the 26300 series, included references to a "Windows 11 26H2 enablement package" within the Windows Update history page for Windows Insiders. Microsoft acknowledged testing "behind-the-scenes platform changes" with Insiders.

Microsoft is expected to introduce several new features and improvements to Windows 11 during 2026, including:

• Copilot in File Explorer: Integration of Copilot within File Explorer, allowing interaction in a side pane. This feature is expected to be optional.
• Ask Copilot on the Taskbar: A new Windows Search experience powered by Copilot, replacing the standard Windows Search UI, also expected to be optional and not enabled by default.
• Agenda View in Notifications Center: Reintroduction of the Agenda View with Outlook integration and Copilot capabilities, implemented via WebView2.
• Modern Run Dialog: An optional, modernized WinUI-based Run dialog aligning with Windows 11's aesthetic, featuring the Mica effect and anticipated new functionalities.
• Other Enhancements: Additional changes include the Xbox Full Screen Experience (FSE) and support for .webp images as desktop backgrounds.