What is CVE-2026-11676?

CVE-2026-11676 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 8.3/10. Published 2026-06-09.

How severe is CVE-2026-11676?

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

Improper input validation in Google Chrome

CVE-2026-11676

Insufficient validation of untrusted input in Dawn in Google Chrome on Linux and ChromeOS prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

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

Published 2026-06-09 · last modified 2026-07-23.

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.

EPSS exploit prediction

EPSS: 0.002 (12.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Chrome — versions 149.0.7827.103
Google Chrome OS
Linux Kernel

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744… (Vendor Advisory)
issues.chromium.org/issues/516949298 (Permissions Required)

Frequently asked questions

What is CVE-2026-11676?: CVE-2026-11676 is a high-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 8.3/10. Published 2026-06-09.
How severe is CVE-2026-11676?: High severity. CVSS v3 base score is 8.3 out of 10.