What is CVE-2026-17976?

CVE-2026-17976 is a medium-severity vulnerability in Google Chrome, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-07-30.

How severe is CVE-2026-17976?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Google Chrome

CVE-2026-17976

Insufficient policy enforcement in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to bypass discretionary access control via a crafted domain name. (Chromium sec…

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Google Chrome — versions 151.0.7922.72

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

chrome-cve-admin@google.com
chrome-cve-admin@google.com

Frequently asked questions

What is CVE-2026-17976?: CVE-2026-17976 is a medium-severity vulnerability in Google Chrome, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-07-30.
How severe is CVE-2026-17976?: Medium severity. CVSS v3 base score is 4.3 out of 10.