What is CVE-2026-12438?

CVE-2026-12438 is a high-severity vulnerability in Google Chrome, classified under Protection Mechanism Failure. CVSS score: 8.3/10. Published 2026-06-17.

How severe is CVE-2026-12438?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Google Chrome

CVE-2026-12438

Inappropriate implementation in WebView in Google Chrome on Android prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium secur…

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Google Chrome — versions 149.0.7827.155

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

chrome-cve-admin@google.com
chrome-cve-admin@google.com

Frequently asked questions

What is CVE-2026-12438?: CVE-2026-12438 is a high-severity vulnerability in Google Chrome, classified under Protection Mechanism Failure. CVSS score: 8.3/10. Published 2026-06-17.
How severe is CVE-2026-12438?: High severity. CVSS v3 base score is 8.3 out of 10.