CVE-2026-69617

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

CVSS v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69617	Vendor Advisory Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:*
	cpe:2.3:o:microsoft:windows_11_26h1:::::::x64:*
	cpe:2.3:o:microsoft:windows_server_2025:::::::x64:*

History

21 Sep 2026, 14:24

Type	Values Removed	Values Added
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69617 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69617 - Vendor Advisory, Patch
First Time		Microsoft windows 11 26h1 Microsoft windows Server 2025 Microsoft
CPE		cpe:2.3:o:microsoft:windows_11_26h1:::::::arm64:* cpe:2.3:o:microsoft:windows_11_26h1:::::::x64:* cpe:2.3:o:microsoft:windows_server_2025:::::::x64:*

Information

Published : 2026-09-08 18:19

Updated : 2026-09-21 14:24

NVD link : CVE-2026-69617

Mitre link : CVE-2026-69617

CVE.ORG link : CVE-2026-69617

JSON object : View

Products Affected

microsoft

windows_11_26h1
windows_server_2025

CWE

CWE-125

Out-of-bounds Read

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