CVE-2025-59206

Name: CVE-2025-59206
Creator: NVD / NIST
Published: 2025-10-14T17:16:00.593+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2025-59206 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Metrics

CVSS 3.1

7.4/10

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.34%

26.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Microsoft	Windows 11 24h2	< 10.0.26100.6899
Microsoft	Windows 11 25h2	< 10.0.26200.6899
Microsoft	Windows Server 2025	<= 10.0.26100.6899

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59206Vendor Advisory

Timeline

Published: Oct 14, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-59206?

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

How severe is CVE-2025-59206?

CVE-2025-59206 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2025-59206?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-59206?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST