What is CVE-2026-112427?

CVE-2026-112427 is a high-severity vulnerability in Apple macOS, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-10-26.

How severe is CVE-2026-112427?

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

Auth bypass in Apple macOS

CVE-2026-112427

An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27.2. A remote attacker may be able to cause arbitrary code execution.

Vulnerability class: Broken Authentication

Published 2026-10-26 · last modified 2026-10-26.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Apple macOS

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

support.apple.com/en-us/149521

Frequently asked questions

What is CVE-2026-112427?: CVE-2026-112427 is a high-severity vulnerability in Apple macOS, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-10-26.
How severe is CVE-2026-112427?: High severity. CVSS v3 base score is 8.1 out of 10.