What is GHSA-w2xr-m9cj-6q3w?

GHSA-w2xr-m9cj-6q3w is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Network File System allows an authorized attacker to...

Which CVE IDs does GHSA-w2xr-m9cj-6q3w cover?

GHSA-w2xr-m9cj-6q3w covers the following CVE IDs: CVE-2026-56650. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w2xr-m9cj-6q3w?

GHSA-w2xr-m9cj-6q3w has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-w2xr-m9cj-6q3wHighCVSS 7.8

Heap-based buffer overflow in Windows Network File System allows an authorized attacker to...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-56650 →

📋 Description

Heap-based buffer overflow in Windows Network File System allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-56650
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56650
https://github.com/advisories/GHSA-w2xr-m9cj-6q3w