What is GHSA-4xxg-vc84-8grj?

GHSA-4xxg-vc84-8grj is a security advisory published by GitHub Security Advisories with High severity. Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute...

Which CVE IDs does GHSA-4xxg-vc84-8grj cover?

GHSA-4xxg-vc84-8grj covers the following CVE IDs: CVE-2026-121218. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4xxg-vc84-8grj?

GHSA-4xxg-vc84-8grj has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-4xxg-vc84-8grjHighCVSS 8.8

Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121218 →

📋 Description

Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121218
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/568010379
https://github.com/advisories/GHSA-4xxg-vc84-8grj