What is CVE-2026-14093?

CVE-2026-14093 is a critical-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 9.6/10. Published 2026-06-30.

How severe is CVE-2026-14093?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Use After Free in Apple macOS

CVE-2026-14093

Use after free in Cast in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)

Vulnerability class: Use-After-Free

EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Apple Macos
Google Chrome — versions 150.0.7871.47
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-2026-14093?: CVE-2026-14093 is a critical-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 9.6/10. Published 2026-06-30.
How severe is CVE-2026-14093?: Critical severity. CVSS v3 base score is 9.6 out of 10.