What is CVE-2026-14405?

CVE-2026-14405 is a critical-severity vulnerability in Google Chrome, classified under CWE-457. CVSS score: 9.6/10. Published 2026-07-01.

How severe is CVE-2026-14405?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Google Chrome

CVE-2026-14405

Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)

Published 2026-07-01 · last modified 2026-07-03.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Google Chrome — versions 150.0.7871.46

Weakness classification (CWE)

CWE-457

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/513376037 (Permissions Required)

Frequently asked questions

What is CVE-2026-14405?: CVE-2026-14405 is a critical-severity vulnerability in Google Chrome, classified under CWE-457. CVSS score: 9.6/10. Published 2026-07-01.
How severe is CVE-2026-14405?: Critical severity. CVSS v3 base score is 9.6 out of 10.