What is CVE-2026-8566?

CVE-2026-8566 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-05-14.

How severe is CVE-2026-8566?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Google Android

CVE-2026-8566

Insufficient policy enforcement in Payments in Google Chrome on Android prior to 148.0.7778.168 allowed a remote attacker to bypass discretionary access control via a crafted HTML page. (Chromium security severity: Medium)

EPSS: 0.000 (7.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Google Android
Google Chrome — versions 148.0.7778.168

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-8566?: CVE-2026-8566 is a medium-severity vulnerability in Google Android, classified under Improper Access Control. CVSS score: 4.3/10. Published 2026-05-14.
How severe is CVE-2026-8566?: Medium severity. CVSS v3 base score is 4.3 out of 10.