What is CVE-2026-11157?

CVE-2026-11157 is a medium-severity vulnerability in Apple Macos, classified under Code Injection. CVSS score: 5.4/10. Published 2026-06-04.

How severe is CVE-2026-11157?

Medium severity. CVSS v3 base score is 5.4 out of 10.

RCE in Apple Macos

CVE-2026-11157

Script injection in Accessibility in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts or HTML (UXSS) via a crafted Chrome Extension. (Chromium securi…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Apple Macos
Google Chrome — versions 149.0.7827.53
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-94 — Code Injection

References

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

Frequently asked questions

What is CVE-2026-11157?: CVE-2026-11157 is a medium-severity vulnerability in Apple Macos, classified under Code Injection. CVSS score: 5.4/10. Published 2026-06-04.
How severe is CVE-2026-11157?: Medium severity. CVSS v3 base score is 5.4 out of 10.