What is GHSA-mc7v-cvhg-m66w?

GHSA-mc7v-cvhg-m66w is a security advisory published by GitHub Security Advisories with Medium severity. Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an unauthorized attacker to...

Which CVE IDs does GHSA-mc7v-cvhg-m66w cover?

GHSA-mc7v-cvhg-m66w covers the following CVE IDs: CVE-2026-83895. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mc7v-cvhg-m66w?

GHSA-mc7v-cvhg-m66w has a CVSS v3 base score of 6.8, published by GitHub Security Advisories.

GHSA-mc7v-cvhg-m66wMediumCVSS 6.8

Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an unauthorized attacker to...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-83895 →

📋 Description

Heap-based buffer overflow in Windows Win32 Kernel Subsystem allows an unauthorized attacker to elevate privileges with a physical attack.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-83895
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83895
https://github.com/advisories/GHSA-mc7v-cvhg-m66w