What is CVE-2026-13776?

CVE-2026-13776 is a critical-severity vulnerability in Apple Macos, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.8/10. Published 2026-06-30.

How severe is CVE-2026-13776?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Apple Macos

CVE-2026-13776

Type Confusion in Dawn 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: Critical)

EPSS: 0.004 (27.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

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

Frequently asked questions

What is CVE-2026-13776?: CVE-2026-13776 is a critical-severity vulnerability in Apple Macos, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.8/10. Published 2026-06-30.
How severe is CVE-2026-13776?: Critical severity. CVSS v3 base score is 9.8 out of 10.