What is CVE-2026-8018?

CVE-2026-8018 is a high-severity vulnerability in Apple Macos, classified under Protection Mechanism Failure. CVSS score: 8.1/10. Published 2026-05-06.

How severe is CVE-2026-8018?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Apple Macos

CVE-2026-8018

Insufficient policy enforcement in DevTools in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: Low)

EPSS: 0.001 (15.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Macos
Google Chrome — versions 148.0.7778.96
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

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

Frequently asked questions

What is CVE-2026-8018?: CVE-2026-8018 is a high-severity vulnerability in Apple Macos, classified under Protection Mechanism Failure. CVSS score: 8.1/10. Published 2026-05-06.
How severe is CVE-2026-8018?: High severity. CVSS v3 base score is 8.1 out of 10.