cve 2025 59210

CVE-2025-59210 is a high-severity elevation-of-privilege vulnerability in the Windows Resilient File System (ReFS) Deduplication Service. Microsoft has confirmed the issue, and administrators running ReFS on client or server systems should prioritize patching and hardening affected hosts. The vulnerability affects modern storage scenarios where ReFS is used, such as virtualized datastores and hyper-converged infrastructure. Discussions on WindowsForum.com focus on mitigation steps, patch deployment, and security best practices to address this use-after-free (UAF) flaw. Users are advised to apply the latest security updates from Microsoft to protect their systems.