Vulnerability in Google Chrome

CVE-2026-17666

Cryptographic Flaw in Enterprise in Google Chrome prior to 151.0.7922.72 allowed an attacker in a privileged network position to bypass discretionary access control via malicious network traffic. (Chromium security severity: High)

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-17666?
CVE-2026-17666 is a critical-severity vulnerability in Google Chrome, classified under Missing Cryptographic Step. CVSS score: 9.1/10. Published 2026-07-30.
How severe is CVE-2026-17666?
Critical severity. CVSS v3 base score is 9.1 out of 10.