What is GHSA-7j9j-665v-873c?

GHSA-7j9j-665v-873c 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...

Which CVE IDs does GHSA-7j9j-665v-873c cover?

GHSA-7j9j-665v-873c covers the following CVE IDs: CVE-2026-121221. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-7j9j-665v-873c?

GHSA-7j9j-665v-873c has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-7j9j-665v-873cHighCVSS 8.8

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

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121221 →

📋 Description

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

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121221
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/578688670
https://github.com/advisories/GHSA-7j9j-665v-873c