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Vulnerability IntelligenceMICROSOFT-CVE-2026-49792

MICROSOFT-CVE-2026-49792

HIGH7.8

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Published Jul 14, 2026

Modified 3 months ago

Details

Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49792

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/E:U/RL:O/RC:C

Upstream

Ecosystems

Timeline

PublishedJul 14, 2026

ModifiedJul 14, 2026

MICROSOFT-CVE-2026-49792 | Mondoo Vulnerability Intelligence