Improper link resolution before file access ('link following') in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.
Metrics
Affected Vendors & Products
References
History
Wed, 09 Sep 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft windows 11 24h2
Microsoft windows 11 25h2 Microsoft windows 11 26h1 |
|
| CPEs | cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* |
|
| Vendors & Products |
Microsoft windows 11 24h2
Microsoft windows 11 25h2 Microsoft windows 11 26h1 |
Tue, 08 Sep 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper link resolution before file access ('link following') 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 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2025 |
|
| Weaknesses | CWE-59 | |
| CPEs | 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 24h2 Microsoft windows 11 25h2 Microsoft windows 11 26h1 Microsoft windows Server 2025 |
|
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: microsoft
Published: 2026-09-08T17:14:19.442Z
Updated: 2026-09-09T21:31:20.769Z
Reserved: 2026-09-01T01:16:35.984Z
Link: CVE-2026-83999
No data.
Status : Analyzed
Published: 2026-09-08T18:21:10.863
Modified: 2026-09-09T20:12:00.013
Link: CVE-2026-83999
No data.