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Vulnerability IntelligenceCVE-2026-50318

CVE-2026-50318

HIGH7.8

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Published Jul 14, 2026

Modified Yesterday

Details

Stack-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50318

https://www.cve.org/CVERecord?id=CVE-2026-50318

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedJul 14, 2026

ModifiedJul 15, 2026

CVE-2026-50318 | Mondoo Vulnerability Intelligence