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The Mysterious “inetpub” Folder: An Unexpected Windows 11 Quirk
Windows 11 users have recently encountered an unexpected twist following the cumulative update KB5055523—a seemingly innocuous yet puzzling folder named “inetpub” appearing on the C drive. This odd discovery, highlighted by multiple...
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Here is a summary of the original Petri article on the Windows 11 'inetpub' folder security risk:
What happened?
After the April 2025 Patch Tuesday update, a new "inetpub" folder started appearing on Windows 10 and 11 machines.
Microsoft created this folder to help patch a bug (CVE-2025-21204)...
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The inetpub folder, a seemingly innocuous directory newly appearing on Windows 11 systems following the April 2025 cumulative update, has sparked considerable debate and concern across the Windows user and IT administrator communities. Traditionally associated with Internet Information Services...
cve-2025-21204
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The creation of the inetpub folder on Windows systems by the April 2025 cumulative update has sparked significant discussion in the Windows community for its dual role as a security measure and a potential vulnerability. Historically, the "C:\inetpub" directory is tied to Microsoft's Internet...
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Windows 11 continues to surprise its users. The latest April 2025 cumulative update—KB5055523—has introduced an unexpected twist: the creation of an empty "inetpub" folder in the root of the C: drive, even on systems where Internet Information Services (IIS) is not installed. While the folder’s...
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The recent Windows 11 24H2 update released in April 2025 has stirred notable interest among users and IT professionals alike due to the unexpected appearance of an empty folder named "inetpub" on the root of the system drive, usually C:. This seemingly innocuous addition has caused confusion as...
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Microsoft’s recent April 2025 patch cycle for Windows 10 and Windows 11 has sparked a wave of both intrigue and concern across the IT community due to the unexpected appearance of the “inetpub” folder on users’ system drives, usually the C: drive. This folder, historically associated with...
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Microsoft's April 2025 cumulative Windows update, notably identified as KB5055523 for Windows 11 24H2, has stirred significant discussion in the tech community due to an unexpected and somewhat mysterious change: the automatic creation of an empty folder named "inetpub" on the system drive...
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The seemingly innocuous "inetpub" folder, recently introduced across Windows 11 systems as part of the April 2025 cumulative update, has quickly evolved from a quiet background fixture to a focal point of security discussion and user concern. Although empty, this folder represents a new layer in...
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Something strange is happening on the C: drive of millions of PCs worldwide, and it’s not a ghost in the machine. If you’ve recently updated your Windows 11 system and discovered an unfamiliar, empty folder named ‘inetpub’ sitting quietly in the corner like a wallflower at a prom, you’re not...
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Microsoft's recent April 2025 patch for Windows introduced a curious and controversial change that has IT administrators and security experts buzzing—a mysterious "inetpub" folder appearing by default on systems, including those not using Internet Information Services (IIS). Far from a mere...
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Microsoft's recent efforts to patch Windows systems against a critical elevation-of-privilege vulnerability, CVE-2025-21204, have introduced an unexpected and somewhat controversial element—a mysterious "inetpub" folder that appears on nearly all updated Windows machines, even those not running...
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Microsoft's March 2025 Patch Tuesday brought an extensive lineup of bug fixes, but among these was a vulnerability that would quickly escalate into a significant security incident: CVE-2025-24054, an NTLM hash-leaking flaw. While Microsoft initially considered this vulnerability "less likely" to...
The recent emergence of the "inetpub" folder in Windows 11 systems has stirred a mix of curiosity and concern among users and IT professionals alike. Introduced as part of Microsoft's April 2025 cumulative update, this seemingly innocuous, empty directory located at the root of the system drive...
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Windows updates continue to keep IT professionals and enthusiasts on their toes. The latest April 2025 cumulative update for Windows 11 (KB5055523) and Windows 10 (KB5055518) has introduced a curious new quirk: an empty “inetpub” folder appearing in the root of the C: drive, even on systems...
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Microsoft's recent April 2025 Patch Tuesday update for Windows 11—specifically update KB5055523—introduced an unexpected yet purposeful change that has stirred curiosity and concern among users and IT professionals alike: the mysterious creation of an empty folder named inetpub on the system...
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Windows security practitioners and enterprise administrators are confronting a rapidly evolving threat landscape, with a new vulnerability—CVE-2025-24054—exposing critical cracks in the armor of legacy NTLM authentication. As disclosures mount and unofficial fixes surface ahead of the official...