What is GHSA-r4v9-m65q-8c8m?

GHSA-r4v9-m65q-8c8m is a security advisory published by GitHub Security Advisories with High severity. Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to execute code over...

Which CVE IDs does GHSA-r4v9-m65q-8c8m cover?

GHSA-r4v9-m65q-8c8m covers the following CVE IDs: CVE-2026-70586. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r4v9-m65q-8c8m?

GHSA-r4v9-m65q-8c8m has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-r4v9-m65q-8c8mHighCVSS 8.8

Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to execute code over...

Vendor

GitHub Security Advisories

Published

September 8, 2026

Last Modified

September 8, 2026

🔗 CVE IDs covered (1)

CVE-2026-70586 →

📋 Description

Heap-based buffer overflow in Windows Paint allows an unauthorized attacker to execute code over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-70586
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70586
https://github.com/advisories/GHSA-r4v9-m65q-8c8m