CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
3Description
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.4. An app may bypass Gatekeeper checks.
Analysis
A permissions validation flaw in macOS Tahoe allows applications to circumvent Gatekeeper security checks, potentially enabling execution of untrusted or malicious code that would normally be blocked by Apple's code signing and notarization mechanisms. This vulnerability affects macOS Tahoe versions prior to 26.4 and is fixed in the 26.4 release. …
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Remediation
During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-15056
GHSA-8j6h-jv9f-2r4r