Description
Weak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
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References
History
Tue, 13 Oct 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Weak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally. | |
| Title | Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability | |
| First Time appeared |
Microsoft
Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows 11 Version 26h2 For Arm64-based Systems Microsoft windows Server 2025 |
|
| Weaknesses | CWE-1390 | |
| CPEs | cpe:2.3:a:microsoft:windows_11_version_26h2_for_arm64-based_systems:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Microsoft
Microsoft windows 11 23h2 Microsoft windows 11 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows 11 Version 26h2 For Arm64-based Systems Microsoft windows Server 2025 |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: microsoft
Published:
Updated: 2026-10-13T20:44:19.936Z
Reserved: 2026-08-31T19:05:20.873Z
Link: CVE-2026-83586
No data.
Status : Awaiting Analysis
Published: 2026-10-13T19:20:02.897
Modified: 2026-10-13T19:29:52.750
Link: CVE-2026-83586
No data.
OpenCVE Enrichment
No data.
Weaknesses
-
CWE-1390
Weak Authentication