What is CVE-2026-14118?

CVE-2026-14118 is a medium-severity vulnerability in Google Chrome, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2026-06-30.

How severe is CVE-2026-14118?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Google Chrome

CVE-2026-14118

Insufficient data validation in DevTools in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Google Chrome — versions 150.0.7871.47

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing
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-2026-14118?: CVE-2026-14118 is a medium-severity vulnerability in Google Chrome, classified under Authentication Bypass by Spoofing. CVSS score: 6.5/10. Published 2026-06-30.
How severe is CVE-2026-14118?: Medium severity. CVSS v3 base score is 6.5 out of 10.