CVE-2026-113142 — Vulnerability intelligence

google — chrome

Published: 2026-10-20T22:19:06.543

CVSS

6.5

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

Incorrect authorization in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Medium)

Sources

• CVE-2026-113142
• Release Notes, Vendor Advisory
• Exploit, Issue Tracking, Mitigation
• Original advisory