AppleCVE-2026-86909

Apple macOS: protection mechanism failure

CVE-2026-86909 · Published Sep 14, 2026 · updated Sep 18, 2026

Medium4.4

Fix: upgrade to 27 or later

A logic issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27. An app may be able to bypass Gatekeeper checks.

Affected versions

Package	Affected	Fixed in
macOS Product	< 27	27

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-693

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