What is GHSA-4mx9-qjx4-q9wf?

GHSA-4mx9-qjx4-q9wf is a security advisory published by GitHub Security Advisories with High severity. Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an...

Which CVE IDs does GHSA-4mx9-qjx4-q9wf cover?

GHSA-4mx9-qjx4-q9wf covers the following CVE IDs: CVE-2026-77889. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4mx9-qjx4-q9wf?

GHSA-4mx9-qjx4-q9wf has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-4mx9-qjx4-q9wfHighCVSS 7.5

Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-77889 →

📋 Description

Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-77889
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77889
https://github.com/advisories/GHSA-4mx9-qjx4-q9wf