CVE-2025-59210
High
Description
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
SeverityHigh
CVSS7.4
Exploit probability—
Product
Microsoft Windows
PublishedOct 14, 2025
First seenOct 14, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- microsoft windows_11_24h210.0.26100.6899 or later
- microsoft windows_11_25h210.0.26200.6899 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_11_24h2 | v < 10.0.26100.6899 | 10.0.26100.6899 |
| microsoft windows_11_25h2 | v < 10.0.26200.6899 | 10.0.26200.6899 |
| microsoft windows_server_2025 | v ≤ 10.0.26100.6899 | — |
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