What is CVE-2026-14154?

CVE-2026-14154 is a medium-severity vulnerability in Apple macOS, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.8/10. Published 2026-06-30.

How severe is CVE-2026-14154?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Apple macOS

CVE-2026-14154

Inappropriate implementation in DevTools in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. (Chromium security severity: Low)

Published 2026-06-30 · last modified 2026-07-01.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (7.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-451 — User Interface (UI) Misrepresentation of Critical Information

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Vendor Advisory)
issues.chromium.org/issues/517741170 (Permissions Required)

Frequently asked questions

What is CVE-2026-14154?: CVE-2026-14154 is a medium-severity vulnerability in Apple macOS, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.8/10. Published 2026-06-30.
How severe is CVE-2026-14154?: Medium severity. CVSS v3 base score is 4.8 out of 10.