CVE-2025-21182

Summary

CVE-2025-21182 is a critical vulnerability affecting Windows Resilient File System (ReFS) Deduplication Service. Hackers can exploit this Elevation of Privilege weakness to gain higher system access, potentially leading to data corruption or unauthorized system control. The vulnerability arises due to a flaw in the way ReFS handles symbolic links during deduplication. Microsoft recommends installing the latest patches to mitigate this risk. Unpatched systems remain susceptible to attacks, which could result in significant data loss or system compromise.

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