Improper input validation in Google Chrome
CVE-2026-76033
Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-76033?
- CVE-2026-76033 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 4.2/10. Published 2026-08-18.
- How severe is CVE-2026-76033?
- Medium severity. CVSS v3 base score is 4.2 out of 10.