What is GHSA-xqvw-9wjw-5vrv?

GHSA-xqvw-9wjw-5vrv is a security advisory published by GitHub Security Advisories with High severity. Improper verification of source of a communication channel in Windows Hyper-V allows an...

Which CVE IDs does GHSA-xqvw-9wjw-5vrv cover?

GHSA-xqvw-9wjw-5vrv covers the following CVE IDs: CVE-2026-87705. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xqvw-9wjw-5vrv?

GHSA-xqvw-9wjw-5vrv has a CVSS v3 base score of 7.4, published by GitHub Security Advisories.

GHSA-xqvw-9wjw-5vrvHighCVSS 7.4

Improper verification of source of a communication channel in Windows Hyper-V allows an...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-87705 →

📋 Description

Improper verification of source of a communication channel in Windows Hyper-V allows an unauthorized attacker to bypass a security feature over an adjacent network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-87705
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87705
https://github.com/advisories/GHSA-xqvw-9wjw-5vrv