What is CVE-2026-11034?

CVE-2026-11034 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2026-06-04.

How severe is CVE-2026-11034?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Improper input validation in Google Chrome

CVE-2026-11034

Insufficient validation of untrusted input in Tab Group Sync in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via malicious network traffic. (Chromium security severity…

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

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Google Chrome — versions 149.0.7827.53

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2026-11034?: CVE-2026-11034 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2026-06-04.
How severe is CVE-2026-11034?: Medium severity. CVSS v3 base score is 6.1 out of 10.