What is GHSA-jh49-99q5-mwf2?

GHSA-jh49-99q5-mwf2 is a security advisory published by GitHub Security Advisories with High severity. Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to...

Which CVE IDs does GHSA-jh49-99q5-mwf2 cover?

GHSA-jh49-99q5-mwf2 covers the following CVE IDs: CVE-2026-42980. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jh49-99q5-mwf2?

GHSA-jh49-99q5-mwf2 has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-jh49-99q5-mwf2HighCVSS 7.8

Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to...

Vendor

GitHub Security Advisories

Published

June 9, 2026

Last Modified

June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-42980 →

📋 Description

Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-42980
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42980
https://github.com/advisories/GHSA-jh49-99q5-mwf2