What is GHSA-9978-hjf6-vg85?

GHSA-9978-hjf6-vg85 is a security advisory published by GitHub Security Advisories with High severity. Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to...

Which CVE IDs does GHSA-9978-hjf6-vg85 cover?

GHSA-9978-hjf6-vg85 covers the following CVE IDs: CVE-2026-44803. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-9978-hjf6-vg85?

GHSA-9978-hjf6-vg85 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-9978-hjf6-vg85HighCVSS 7.8

Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-44803 →

📋 Description

Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-44803
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44803
https://github.com/advisories/GHSA-9978-hjf6-vg85