What is GHSA-9pfr-2fjj-39px?

GHSA-9pfr-2fjj-39px is a security advisory published by GitHub Security Advisories with High severity. Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

Which CVE IDs does GHSA-9pfr-2fjj-39px cover?

GHSA-9pfr-2fjj-39px covers the following CVE IDs: CVE-2026-45607. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9pfr-2fjj-39px?

GHSA-9pfr-2fjj-39px has a CVSS v3 base score of 8.4, published by GitHub Security Advisories.

GHSA-9pfr-2fjj-39pxHighCVSS 8.4

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-45607 →

📋 Description

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-45607
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45607
https://github.com/advisories/GHSA-9pfr-2fjj-39px