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Microsoft Urges Users to Restore Deleted 'inetpub' Folder After Windows 11 Update

The folder, essential for a security fix addressing a critical vulnerability, must remain intact to ensure system protection.

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A computer keyboard "Delete" key.
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Overview

  • The April 2025 Windows 11 24H2 update intentionally creates an 'inetpub' folder as part of a security patch to address CVE-2025-21204.
  • The folder's unexpected appearance led to widespread user confusion, with some mistakenly deleting it, believing it was unnecessary.
  • Microsoft confirmed the folder is critical for securing systems against a vulnerability that could allow local attackers to manipulate files.
  • Users who deleted the folder can restore it by enabling Internet Information Services (IIS) through the Windows Features control panel.
  • Microsoft has updated its advisory to clarify the folder's purpose, highlighting the importance of improved communication for future updates.