cloud files

  1. CVE-2026-20940: Patch and Hunt Windows Cloud Files Mini Filter Driver

    Microsoft’s Security Update Guide lists CVE-2026-20940 as an elevation-of-privilege (EoP) vulnerability in the Windows Cloud Files Mini Filter Driver, and defenders should treat any new Cloud Files mini-filter entry as a high-priority patch-and-hunt item until proven otherwise. Background /...
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    • cloud files kernel driver patch management windows security
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    • Forum: Security Alerts

  2. CVE-2025-62221: UAF in Windows Cloud Files Driver cldflt.sys (local privilege escalation)

    Microsoft has publicly recorded CVE‑2025‑62221 — a use‑after‑free (UAF) defect in the Windows Cloud Files Mini Filter Driver (cldflt.sys) — that can be triggered by a local, authorized user to escalate privileges to SYSTEM, and administrators should treat this as a high‑priority local escalation...
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    • cloud files kernel vulnerability local exploit windows security
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    • Forum: Security Alerts

  3. CVE-2025-62454: Patch Windows Cloud Files Mini Filter Driver EoP Now

    Microsoft’s advisory confirms a high‑confidence elevation‑of‑privilege flaw in the Windows Cloud Files Mini Filter Driver that can let a local, low‑privileged user escalate to SYSTEM — administrators must treat the issue as urgent, map the exact KBs to affected SKUs, and deploy vendor updates...
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    • cloud files driver patch eop vulnerability windows security
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    • Forum: Security Alerts

  4. CVE-2025-55680 Patch Cloud Files Mini Filter Driver Privilege Elevation

    Microsoft has recorded an elevation-of-privilege vulnerability in the Windows Cloud Files Mini Filter Driver (cldflt.sys) that permits a local actor to obtain sensitive kernel-level information and, in some attack chains, progress to SYSTEM privileges—an urgent issue for shared desktops, VDI...
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    • cloud files kernel vulnerability patch management windows security
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    • Forum: Security Alerts

  5. CVE-2025-50170: Local EoP in Windows Cloud Files Driver (cldflt.sys) Patch Now

    Microsoft has published an advisory for CVE-2025-50170, a local elevation-of-privilege (EoP) vulnerability in the Windows Cloud Files Mini Filter Driver (cldflt.sys) that—when reached by a local, authorized attacker—can be abused to obtain higher privileges on affected machines. The flaw stems...
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    • cldflt.sys cloud files cve-2025-50170 defense in depth driver security edr detection files on demand incident response ioctl kernel exploitation local vulnerability onedrive patch management privilege escalation security advisory threat hunting windows kernel driver windows security
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    • Forum: Security Alerts

  6. Windows 11 Insider Preview Build 26120.5742: Settings migration, fixes, and known issues

    Microsoft has released Windows 11 Insider Preview Build 26120.5742 (KB5064075) to the Beta Channel, introducing significant enhancements and fixes for users on Windows 11, version 24H2. Transitioning Time and Language Settings to the Settings App In this build, Microsoft continues its initiative...
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    • 24h2 accessibility arabic beta channel build 26120 cloud files control panel migration date and time file explorer fixes hebrew ime improvements insider preview kb5064075 keyboard settings known issues language and region language settings live captions narrator settings app start menu task manager time and language unicode windows 11 windows update xbox controller
    • Replies: 1
    • Forum: Windows News

  7. Windows 11 Dev Channel Build 26200.5742: Mobile Start Menu & Settings Migration

    Microsoft has released Windows 11 Insider Preview Build 26200.5742 (KB5064075) to the Dev Channel, introducing a suite of enhancements aimed at refining user experience and system functionality. Redesigned Mobile Device Companion in Start Menu The Start menu now features an updated mobile device...
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    • accessibility build 26200 cloud files dev channel feedback hub file explorer ime insider preview kb5064075 keyboard settings known issues language and region live captions narrator performance phone companion settings app settings migration start menu task manager time and language time-language-settings unicode windows 11
    • Replies: 1
    • Forum: Windows News

  8. Maximize Storage on Windows 11 with OneDrive's Files On-Demand Feature

    When low disk space started causing performance issues, a little-known feature in OneDrive quickly became a lifesaver for freeing up valuable storage on Windows 11 without deleting a single file. The Files On-Demand feature, built into OneDrive, empowers users to manage local and cloud file...
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    • backup cloud files cloud storage device performance disk optimization file explorer file icons file management file synchronization files on demand local storage onedrive ssd space saving storage storage optimization tech tips windows 11 windows storage windows tips
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    • Forum: Windows News

  9. Revolutionizing File Search on Windows with Microsoft Copilot

    Finding files on a Windows PC has historically involved searching through labyrinthine folders, relying on vague memories of file names, or waiting for Windows Search to finish indexing. With the release and ongoing evolution of Microsoft Copilot, Windows users now have another arrow in their...
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    • ai assistant ai integration ai productivity cloud files digital workflow file analysis file management file search file summarization file translation microsoft copilot privacy productivity hacks search optimization tech industry trends windows windows 10 windows 11 windows update
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    • Forum: Windows News
  10. J

    Windows 11 OneDrive & Explorer Favorites

    On May 7, 2025 I updated my work PC to 24H2. I use sync.com and OneDrive. Since the update, spreadsheets on my favorites list (on windows explorer) will open locally when they reside in sync.com but OneDrive files open in a browser. My laptop does the same. Is this a Microsoft bug or is there a...
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    • cloud files cloud storage file accessibility file explorer file management file opening file opening preferences file synchronization local files onedrive os upgrade settings sync.com troubleshooting update issues windows 10 windows bugs windows favorites
    • Replies: 2
    • Forum: Windows Help and Support

  11. Exciting Updates in Windows 11 Insider Preview Builds 22621.575 & 22622.575

    Hello WindowsForum.com members! Microsoft has just rolled out the latest Windows 11 Insider Preview Builds 22621.575 and 22622.575 (KB5016694) to the Beta Channel. These updates bring exciting new features and critical fixes that enhance the overall user experience. Key Highlights Build...
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    • 24h2 24h2 update accessibility ai features ai recommendations ai tools android android integration arm64 automation backup battery icon battery management battery optimization beta build beta channel beta software beta testing bluetooth braille support brightness bug bash bug fixes build 22621 build 22622 build 22623 build 22631 build 22635 build 22635.2483 build 22635.2552 build 22635.2700 build 22635.2771 build 22635.2841 build 22635.2850 build 22635.2921 build 22635.3061 build 22635.3140 build 22635.3209 build 22635.3276 build 22635.3286 build 22635.3500 build 22635.3930 build 22635.4005 build 22635.4145 build 22635.4291 build 22635.4440 build 22635.4510 build 22635.4660 build 22635.5305 build 23403 build 23419 build 23424 build 23430 build 23435 build 23440 build 23466 build 23471 build 23475 build 23481 build 23486 build 23493 build 23506 build 23511 build 23516 build 23526 build 23531 build 23536 build 23541 build 23555 build 23560 build 23565 build 23570 build 23575 build 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    • Replies: 235
    • Forum: Windows News

  12. Extending the Context Menu and Share Dialog in Windows 11

    Windows 11 brings refinement to contextual file operations in the right-click context menu and share dialog. These are extensible by apps, including unpackaged Win32 apps. The context menu is one of the most popular and useful shell extensions. If you are already in File Explorer or on the...
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    • app integration best practices cloud files context menu discoverability file association file explorer file operations file sharing microsoft edge performance issues share dialog shell extensions shortcuts technical text text editor unpackaged apps user experience user interface windows 11
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