What is GHSA-256q-69x3-6m3r?

GHSA-256q-69x3-6m3r is a security advisory published by GitHub Security Advisories with Critical severity. Memory corruption in Paint in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to...

Which CVE IDs does GHSA-256q-69x3-6m3r cover?

GHSA-256q-69x3-6m3r covers the following CVE IDs: CVE-2026-118312. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-256q-69x3-6m3r?

GHSA-256q-69x3-6m3r has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-256q-69x3-6m3rCriticalCVSS 9.6

Memory corruption in Paint in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to...

Vendor

GitHub Security Advisories

Published

October 28, 2026

Last Modified

October 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-118312 →

📋 Description

Memory corruption in Paint in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-118312
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.html
https://issues.chromium.org/issues/540025369
https://github.com/advisories/GHSA-256q-69x3-6m3r