Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.

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Windows 11 26h1 Subscribe
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Fixes

Solution

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Workaround

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History

Thu, 10 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 11 26h1
Microsoft windows Server 2025 (server Core Installation)
Vendors & Products Microsoft windows 11 26h1
Microsoft windows Server 2025 (server Core Installation)

Wed, 09 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Description Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
Title Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 11 26h1
Microsoft windows Server 2025
Weaknesses CWE-125
CPEs cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 26h1
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-09-09T21:33:05.865Z

Reserved: 2026-08-03T21:21:00.595Z

Link: CVE-2026-69617

cve-icon Vulnrichment

Updated: 2026-09-09T09:56:44.799Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-08T18:19:33.470

Modified: 2026-09-09T10:19:33.287

Link: CVE-2026-69617

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-10T20:57:42Z

Weaknesses