What is GHSA-7mf4-r8f9-vvqp?

GHSA-7mf4-r8f9-vvqp is a security advisory published by GitHub Security Advisories with High severity. Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized...

Which CVE IDs does GHSA-7mf4-r8f9-vvqp cover?

GHSA-7mf4-r8f9-vvqp covers the following CVE IDs: CVE-2026-54109. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-7mf4-r8f9-vvqp?

GHSA-7mf4-r8f9-vvqp has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-7mf4-r8f9-vvqpHighCVSS 7.8

Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-54109 →

📋 Description

Integer overflow or wraparound in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-54109
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54109
https://github.com/advisories/GHSA-7mf4-r8f9-vvqp