What is CVE-2026-11218?

CVE-2026-11218 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2026-06-04.

How severe is CVE-2026-11218?

Medium severity. CVSS v3 base score is 6.8 out of 10.

RCE in Google Chrome

CVE-2026-11218

Inappropriate implementation in PlatformIntegration in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a malicious file. (Chromium security severity: Low)

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

Published 2026-06-04 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.0th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% 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 149.0.7827.53
Microsoft Windows

Weakness classification (CWE)

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html (Vendor Advisory)
issues.chromium.org/issues/476862276 (Permissions Required)

Frequently asked questions

What is CVE-2026-11218?: CVE-2026-11218 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2026-06-04.
How severe is CVE-2026-11218?: Medium severity. CVSS v3 base score is 6.8 out of 10.