What is GHSA-fmm5-9jvw-32hg?

GHSA-fmm5-9jvw-32hg is a security advisory published by GitHub Security Advisories with High severity. Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.

Which CVE IDs does GHSA-fmm5-9jvw-32hg cover?

GHSA-fmm5-9jvw-32hg covers the following CVE IDs: CVE-2026-72936. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fmm5-9jvw-32hg?

GHSA-fmm5-9jvw-32hg has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-fmm5-9jvw-32hgHighCVSS 8.1

Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-72936 →

📋 Description

Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-72936
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72936
https://github.com/advisories/GHSA-fmm5-9jvw-32hg