What is CVE-2026-17784?

CVE-2026-17784 is a high-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 8.8/10. Published 2026-07-30.

How severe is CVE-2026-17784?

High severity. CVSS v3 base score is 8.8 out of 10.

Use After Free in Apple macOS

CVE-2026-17784

Use after free in Audio in Google Chrome on Mac prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Vulnerability class: Use-After-Free

EPSS: 0.004 (34.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Macos
Google Chrome — versions 151.0.7922.72

Weakness classification (CWE)

CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2026-17784?: CVE-2026-17784 is a high-severity vulnerability in Apple macOS, classified under Use After Free. CVSS score: 8.8/10. Published 2026-07-30.
How severe is CVE-2026-17784?: High severity. CVSS v3 base score is 8.8 out of 10.