CVE-2026-121030 — Vulnerability intelligence

Google — Chrome

Published: 2026-11-03T20:42:45.140Z

CVSS

9.6

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

Incorrect authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Sources

• CVE-2026-121030
• Original advisory
• Original advisory
• CVE-2026-121030