CVE-2026-69617CWE-125

CVE-2026-69617

High · published September 8, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
17.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00264 · 17.3th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-08T22:19Z
Affected products (3)
ProductVersionsFixed in
microsoft/windows_11_26h1< 10.0.28000.295410.0.28000.2954
microsoft/windows_11_26h1< 10.0.28000.295410.0.28000.2954
microsoft/windows_server_2025< 10.0.26100.3343810.0.26100.33438
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69617 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:17Z
    EPSS moved — → 0%
    epss
  • 08 SEP 17:16Z
    Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
    cvelistv5