What is CVE-2026-11247?

CVE-2026-11247 is a low-severity vulnerability in Google Android, classified under Protection Mechanism Failure. CVSS score: 3.1/10. Published 2026-06-05.

How severe is CVE-2026-11247?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Google Android

CVE-2026-11247

Insufficient policy enforcement in CustomTabs in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

CVSS v3 metric

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

Affected products

Google Android
Google Chrome — versions 149.0.7827.53

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-11247?: CVE-2026-11247 is a low-severity vulnerability in Google Android, classified under Protection Mechanism Failure. CVSS score: 3.1/10. Published 2026-06-05.
How severe is CVE-2026-11247?: Low severity. CVSS v3 base score is 3.1 out of 10.