CVE-2025-59206
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-10-14
Last updated on: 2025-10-17
Assigner: Microsoft Corporation
Description
Description
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_11_24h2 | to 10.0.26100.6899 (exc) |
| microsoft | windows_11_25h2 | to 10.0.26200.6899 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.6899 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
An attacker exploiting this vulnerability could gain elevated privileges on a system, potentially allowing them to execute unauthorized actions, access sensitive data, or disrupt system operations.
Can you explain this vulnerability to me?
This vulnerability is an elevation of privilege issue in the Windows Resilient File System (ReFS) Deduplication Service. It allows an attacker to gain higher privileges than intended by exploiting the deduplication service in ReFS.
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