What is GHSA-w98q-m7cp-mvqm?

GHSA-w98q-m7cp-mvqm is a security advisory published by GitHub Security Advisories with Medium severity. Off-by-one error in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an...

Which CVE IDs does GHSA-w98q-m7cp-mvqm cover?

GHSA-w98q-m7cp-mvqm covers the following CVE IDs: CVE-2026-113771. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w98q-m7cp-mvqm?

GHSA-w98q-m7cp-mvqm has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-w98q-m7cp-mvqmMediumCVSS 5.5

Off-by-one error in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-113771 →

📋 Description

Off-by-one error in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-113771
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-113771
https://github.com/advisories/GHSA-w98q-m7cp-mvqm