What is GHSA-xrr5-94hm-m4gf?

GHSA-xrr5-94hm-m4gf is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker to elevate...

Which CVE IDs does GHSA-xrr5-94hm-m4gf cover?

GHSA-xrr5-94hm-m4gf covers the following CVE IDs: CVE-2026-83789. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xrr5-94hm-m4gf?

GHSA-xrr5-94hm-m4gf has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-xrr5-94hm-m4gfHighCVSS 8.8

Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker to elevate...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83789 →

📋 Description

Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker to elevate privileges over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83789
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83789
https://github.com/advisories/GHSA-xrr5-94hm-m4gf