What is CVE-2026-14142?

CVE-2026-14142 is a medium-severity vulnerability in Google Chrome, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 5.4/10. Published 2026-06-30.

How severe is CVE-2026-14142?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Google Chrome

CVE-2026-14142

Inappropriate implementation in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)

EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Google Chrome — versions 150.0.7871.47

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)
CWE-451 — User Interface (UI) Misrepresentation of Critical Information

References

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

Frequently asked questions

What is CVE-2026-14142?: CVE-2026-14142 is a medium-severity vulnerability in Google Chrome, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 5.4/10. Published 2026-06-30.
How severe is CVE-2026-14142?: Medium severity. CVSS v3 base score is 5.4 out of 10.