Windows: Empty inetpub folder creates a new security problem

Windows: Empty inetpub folder creates a new security problem

When Microsoft released the April 2025 security updates for Windows, users from all over the world started to notice that Microsoft's update created an empty folder in the main drive called inetpub. This led to confusion, as Microsoft was tight lipped initially about the presence of the folder. The official release notes did not include any information about it. Shortly thereafter, Microsoft revealed that it created the folder on purpose to "inc…

Actually, the inetpub folder on Windows 10 and 11 is supposed to remove a vulnerability. However, the patch also creates a new problem. (Sicherheitlcke, Microsoft)

The mysterious inetpub folder is actually a crucial part of a Windows security fix – OSnews

Remember the odd inetpub folder that seemingly randomly appeared on people’s root drives after installing a Windows 11 update? Everybody assumed it was something left over from an update script, and that the folder was safe to remove. Well, it turns out that’s not the case, as the empty folder is actually a crucial part of a security fix for a serious vulnerability. Initially undocumented in the official release notes, the empty and seemingly i…

**In April, an inetpub folder appeared on Windows computers. **This is not a bug, it is part of the patch for the CVE-2025-21204 hole. **Do not delete the folder, Microsoft added in response.