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Vulnerability IntelligenceCVE-2026-49792

CVE-2026-49792

HIGH7.8

Windows Resilient File System (ReFS) Remote Code Execution Vulnerability

Published Jul 14, 2026

Modified Today

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

https://www.cve.org/CVERecord?id=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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedJul 14, 2026

ModifiedJul 15, 2026

CVE-2026-49792 | Mondoo Vulnerability Intelligence