What is CVE-2026-19153?

CVE-2026-19153 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-08-06.

How severe is CVE-2026-19153?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Google Chrome

CVE-2026-19153

Insufficient validation of untrusted input in Workers in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Google Chrome — versions 151.0.7922.109

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-19153?: CVE-2026-19153 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-08-06.
How severe is CVE-2026-19153?: High severity. CVSS v3 base score is 8.1 out of 10.