What is GHSA-288r-53p6-9f5p?

GHSA-288r-53p6-9f5p is a security advisory published by GitHub Security Advisories with Medium severity. Use after free in Windows DNS allows an unauthorized attacker to deny service over a network.

Which CVE IDs does GHSA-288r-53p6-9f5p cover?

GHSA-288r-53p6-9f5p covers the following CVE IDs: CVE-2026-78523. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-288r-53p6-9f5p?

GHSA-288r-53p6-9f5p has a CVSS v3 base score of 5.9, published by GitHub Security Advisories.

GHSA-288r-53p6-9f5pMediumCVSS 5.9

Use after free in Windows DNS allows an unauthorized attacker to deny service over a network.

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-78523 →

📋 Description

Use after free in Windows DNS allows an unauthorized attacker to deny service over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-78523
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78523
https://github.com/advisories/GHSA-288r-53p6-9f5p