What is CVE-2026-11142?

CVE-2026-11142 is a medium-severity vulnerability in Apple Macos, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-06-04.

How severe is CVE-2026-11142?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Apple Macos

CVE-2026-11142

Insufficient policy enforcement in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2026-11142?: CVE-2026-11142 is a medium-severity vulnerability in Apple Macos, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-06-04.
How severe is CVE-2026-11142?: Medium severity. CVSS v3 base score is 6.5 out of 10.