What is GHSA-6cr7-mxv2-gmrp?

GHSA-6cr7-mxv2-gmrp is a security advisory published by GitHub Security Advisories with Critical severity. Double free in Windows DNS allows an unauthorized attacker to execute code over a network.

Which CVE IDs does GHSA-6cr7-mxv2-gmrp cover?

GHSA-6cr7-mxv2-gmrp covers the following CVE IDs: CVE-2026-88218. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6cr7-mxv2-gmrp?

GHSA-6cr7-mxv2-gmrp has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-6cr7-mxv2-gmrpCriticalCVSS 9.8

Double free in Windows DNS allows an unauthorized attacker to execute code over a network.

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-88218 →

📋 Description

Double free in Windows DNS allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-88218
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88218
https://github.com/advisories/GHSA-6cr7-mxv2-gmrp