What is CVE-2026-84631?

CVE-2026-84631 is a high-severity vulnerability in Apple macOS, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 7.8/10. Published 2026-09-14.

How severe is CVE-2026-84631?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple macOS

CVE-2026-84631

This issue was addressed with additional entitlement checks. This issue is fixed in macOS Golden Gate 27. An app may be able to gain root privileges.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Macos

Weakness classification (CWE)

CWE-280 — Improper Handling of Insufficient Permissions or Privileges

References

product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-84631?: CVE-2026-84631 is a high-severity vulnerability in Apple macOS, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 7.8/10. Published 2026-09-14.
How severe is CVE-2026-84631?: High severity. CVSS v3 base score is 7.8 out of 10.