What is CVE-2026-11197?

CVE-2026-11197 is a medium-severity vulnerability in Apple Macos, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-06-04.

How severe is CVE-2026-11197?

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

Vulnerability in Apple Macos

CVE-2026-11197

Insufficient policy enforcement in Workers in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

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

Apple Macos
Google Chrome — versions 149.0.7827.53
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2026-11197?: CVE-2026-11197 is a medium-severity vulnerability in Apple Macos, classified under Improper Access Control. CVSS score: 6.5/10. Published 2026-06-04.
How severe is CVE-2026-11197?: Medium severity. CVSS v3 base score is 6.5 out of 10.