What is GHSA-4rqg-xw8g-5x6w?

GHSA-4rqg-xw8g-5x6w is a security advisory published by GitHub Security Advisories with High severity. Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges...

Which CVE IDs does GHSA-4rqg-xw8g-5x6w cover?

GHSA-4rqg-xw8g-5x6w covers the following CVE IDs: CVE-2026-62877. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4rqg-xw8g-5x6w?

GHSA-4rqg-xw8g-5x6w has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-4rqg-xw8g-5x6wHighCVSS 7.8

Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges...

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-62877 →

📋 Description

Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-62877
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62877
https://github.com/advisories/GHSA-4rqg-xw8g-5x6w