Microsoft has confirmed that a Registry-based workaround can still keep uBlock Origin and other Manifest V2 extensions running in Edge, despite the browser’s planned phase-out. The change follows Microsoft’s announcement that Edge will eventually disable these extensions, giving organizations that still depend on MV2 extensions temporary breathing room.

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NVIDIA has released optional GeForce Hotfix Driver 616.86 for 64-bit Windows 10 and Windows 11, targeting three display failures that can disrupt browser use and remote administration. The update restores virtual-display creation and fixes black screens in Remote Desktop Protocol sessions.

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Microsoft announced Project Zenith on September 4, 2026, as a preconfigured Windows 11 experience for developer-class PCs. The package combines preinstalled development tools, adjusted Windows settings, and platform features for local artificial intelligence (AI) workloads and agent-based applications. Project Zenith ships first on AMD Ryzen AI Halo systems and requires at least 64 GB of unified memory (system RAM shared between the processor and graphics hardware) and at least 250 GB/s of memory bandwidth.

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Windows 11 is rolling out a long-requested fix that lets users shut down or restart immediately, even when an update has already downloaded. Microsoft now keeps standard power actions separate from update actions, while also testing broader controls to skip updates during setup and pause them repeatedly.

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Microsoft has narrowed the mouse-personalization bug in Windows 11 preview update KB5120998 to non-English installations and confirmed that the same release can erase desktop background settings. The update had already been reported to reset custom cursors and wallpapers, but Microsoft now says affected systems cannot reload those settings even when users manually restore them.

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CrowdStrike is investigating FalconFlank, a public proof-of-concept that allegedly enables local privilege escalation through Falcon Sensor’s Microsoft Office malicious-macro remediation workflow. Until the investigation is complete, the company recommends disabling the “Microsoft Office File Suspicious Macro Removal” Windows policy setting on affected Windows 11 25H2 and Windows Server 2025 systems.

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Microsoft's August 2026 security roundup covers managed detection for third-party logs, multi-tenant identity governance, Intune device onboarding and remote support, higher Purview auto-labeling throughput, and new guidance for containing AI agents. If you manage Windows endpoints and Microsoft 365, these changes affect how you onboard devices, label data before using Copilot, and prepare for autonomous software agents.

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BraZetsu is turning infected Windows computers into inventory for Exilware’s underground access marketplace, with AI-assisted profiling used to estimate what each foothold is worth. The Python-based framework primarily targets Brazil, Iberia, and Latin America, but operators were also seen advertising access to U.S. systems in April 2026.

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Microsoft is turning its Driver Quality Initiative (DQI) into more visible enforcement, with stricter driver-signing checks, cloud-based rollback, and a pilot designed to deliver display drivers only to compatible systems. Windows 11 quality updates expected in October may also enable Memory Integrity on more eligible PCs, improving protection against malicious or untrusted kernel drivers but potentially reducing gaming performance on older hardware.

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Microsoft will significantly tighten Windows Hardware Compatibility Program (WHCP) driver signing from March 2027. Drivers targeting Windows 11 25H2 or later and Windows Server 2025 or later will need validated Software Bill of Materials (SBOM) and Vulnerability Exploitability Exchange (VEX) files, while submissions will also need to target relatively modern hardware.

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Microsoft has acknowledged that Windows 11 update KB5121003 can prevent Teams and New Outlook from launching on Arm PCs, expanding on reports that KB5121003 broke Teams and Outlook on devices such as the Surface Pro 11 and Surface Laptop 7. The unexpected remedy is to install an updated Auto Super Resolution Package from the Microsoft Store.

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Microsoft has started rolling out expanded Windows Autopatch controls that let administrators approve, defer, or pause both Windows updates and Quick machine recovery fixes. The changes arrive as Windows 11 26H2 approaches, following plans to enable 26H2’s Point-in-Time Restore by default on eligible systems.

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WinBtrfs 1.10 gives Windows 11 users broader native access to Linux’s Btrfs filesystem, including the ability to write free-space bitmaps and compressed inline files without using Linux kernel code. The release also improves stability after more than two years without a major update, but removes RAID support for removable devices.

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Starting in October 2026, Windows 11 will begin enabling Memory Integrity by default on compatible devices, adding stronger kernel-level protection without requiring manual configuration. The rollout is expected with the October 13 Patch Tuesday updates, although existing enterprise policies will continue to override the new default.

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TerminalFix, a new ClickFix variant, is using fake Cloudflare Turnstile CAPTCHAs to make victims run PowerShell commands that install a persistent reverse tunnel. Unlike campaigns focused mainly on infostealers, this attack can turn one compromised Windows PC into a gateway to domain controllers, database servers, backup systems, and other internal targets.

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Windows Update failures may originate in firewall, proxy, or VPN configuration rather than a damaged Windows installation. Microsoft is advising administrators to let update traffic pass without TLS inspection and to use Windows Update logs to distinguish DNS, connectivity, and certificate-validation problems.

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Microsoft is rolling out a Windows 11 update change that combines driver,.NET, and firmware installations into the monthly security update, reducing routine interruptions to one restart per month. However, administrators should still expect a required reboot in September on systems preparing to resume normal hotpatching in October.

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Microsoft is extending Windows 11’s Bing-free Search controls worldwide in optional update KB5120998, after previously offering them mainly to users covered by European regulations. Two new settings let users remove web results and Microsoft Store suggestions, leaving Search focused on local apps, files, and settings while potentially making searches faster.

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Microsoft released KB5120998 on August 27, 2026, as an optional preview cumulative update for Windows 11 versions 24H2 (build 26100.9278) and 25H2 (build 26200.9278). The update adds taskbar and Start menu customization, search changes, security-related platform features, and removes the WMIC command-line tool. Microsoft is investigating reports that mouse cursor personalization settings are reset after installation, and users are also reporting desktop wallpaper and text-rendering problems that Microsoft has not yet acknowledged.

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