What is CVE-2026-11249?

CVE-2026-11249 is a medium-severity vulnerability in Apple Macos, classified under Use After Free. CVSS score: 4.7/10. Published 2026-06-05.

How severe is CVE-2026-11249?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Use After Free in Apple Macos

CVE-2026-11249

Use after free in Network in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium securit…

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

Apple Macos
Google Chrome — versions 149.0.7827.53
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2026-11249?: CVE-2026-11249 is a medium-severity vulnerability in Apple Macos, classified under Use After Free. CVSS score: 4.7/10. Published 2026-06-05.
How severe is CVE-2026-11249?: Medium severity. CVSS v3 base score is 4.7 out of 10.