What is CVE-2026-13836?

CVE-2026-13836 is a medium-severity vulnerability in Google Chrome, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-30.

How severe is CVE-2026-13836?

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

XSS in Google Chrome

CVE-2026-13836

Inappropriate implementation in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-06-30 · last modified 2026-07-02.

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.

EPSS exploit prediction

EPSS: 0.002 (11.6th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% 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 150.0.7871.47

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/514420555 (Permissions Required)

Frequently asked questions

What is CVE-2026-13836?: CVE-2026-13836 is a medium-severity vulnerability in Google Chrome, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-06-30.
How severe is CVE-2026-13836?: Medium severity. CVSS v3 base score is 6.1 out of 10.