XSS in Google Chrome

CVE-2026-11166

Inappropriate implementation in SVG in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: XSS (Cross-Site Scripting)

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11166?
CVE-2026-11166 is a medium-severity vulnerability in Google Chrome, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-06-04.
How severe is CVE-2026-11166?
Medium severity. CVSS v3 base score is 6.8 out of 10.