What is CVE-2026-14104?

CVE-2026-14104 is a critical-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-06-30.

How severe is CVE-2026-14104?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Google Chrome

CVE-2026-14104

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-06-30 · last modified 2026-07-02.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% 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 150.0.7871.47

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/513484193 (Permissions Required)

Frequently asked questions

What is CVE-2026-14104?: CVE-2026-14104 is a critical-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-06-30.
How severe is CVE-2026-14104?: Critical severity. CVSS v3 base score is 9.8 out of 10.