What is GHSA-4378-6rhf-9339?

GHSA-4378-6rhf-9339 is a security advisory published by GitHub Security Advisories with High severity. Relative path traversal in Windows Shell allows an authorized attacker to elevate privileges...

Which CVE IDs does GHSA-4378-6rhf-9339 cover?

GHSA-4378-6rhf-9339 covers the following CVE IDs: CVE-2026-83873. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4378-6rhf-9339?

GHSA-4378-6rhf-9339 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-4378-6rhf-9339HighCVSS 7.8

Relative path traversal in Windows Shell allows an authorized attacker to elevate privileges...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83873 →

📋 Description

Relative path traversal in Windows Shell allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83873
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83873
https://github.com/advisories/GHSA-4378-6rhf-9339