What is CVE-2026-11286?

CVE-2026-11286 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-06-05.

How severe is CVE-2026-11286?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in Google Chrome

CVE-2026-11286

Insufficient validation of untrusted input in Wallet in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to perform UI spoofing via a crafted HTML page. (Chromium security severity: Lo…

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

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Google Chrome — versions 149.0.7827.53

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-451 — User Interface (UI) Misrepresentation of Critical Information

References

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

Frequently asked questions

What is CVE-2026-11286?: CVE-2026-11286 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-06-05.
How severe is CVE-2026-11286?: Medium severity. CVSS v3 base score is 4.3 out of 10.