What is CVE-2026-13903?

CVE-2026-13903 is a high-severity vulnerability in Google Chrome, classified under CWE-602. CVSS score: 8.8/10. Published 2026-06-30.

How severe is CVE-2026-13903?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Google Chrome

CVE-2026-13903

Insufficient policy enforcement in Bluetooth in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform privilege escalation via a crafted HTML page. (Chromium security severity: Medium)

EPSS: 0.003 (27.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Chrome — versions 150.0.7871.47

Weakness classification (CWE)

CWE-602

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-13903?: CVE-2026-13903 is a high-severity vulnerability in Google Chrome, classified under CWE-602. CVSS score: 8.8/10. Published 2026-06-30.
How severe is CVE-2026-13903?: High severity. CVSS v3 base score is 8.8 out of 10.