What is CVE-2026-86894?

CVE-2026-86894 is a high-severity vulnerability in Apple macOS, classified under Protection Mechanism Failure. CVSS score: 7.5/10. Published 2026-09-14.

How severe is CVE-2026-86894?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apple macOS

CVE-2026-86894

A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27. An app may be able to break out of its sandbox.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Apple Macos

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

product-security@apple.com

Frequently asked questions

What is CVE-2026-86894?: CVE-2026-86894 is a high-severity vulnerability in Apple macOS, classified under Protection Mechanism Failure. CVSS score: 7.5/10. Published 2026-09-14.
How severe is CVE-2026-86894?: High severity. CVSS v3 base score is 7.5 out of 10.