CVE-2026-84570: An app may be able to bypass Gatekeeper checks in Apple macOS
A logic issue in Apple macOS Gatekeeper allowed an app to bypass security checks. This vulnerability was addressed with improved checks and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The issue could allow unauthorized apps to run without Gatekeeper validation.
AI Analysis
Technical Summary
CVE-2026-84570 is a logic flaw in Apple macOS Gatekeeper that could enable an application to bypass the Gatekeeper security checks designed to prevent untrusted software from running. Apple fixed this issue by improving the Gatekeeper validation logic. The vulnerability affects macOS versions prior to Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
An attacker could exploit this vulnerability to run applications that bypass Gatekeeper's security checks, potentially allowing untrusted or malicious software to execute on affected macOS systems. This could undermine the system's protection against unauthorized software execution.
Mitigation Recommendations
Apple has released fixes in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should update to these versions or later to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-84570: An app may be able to bypass Gatekeeper checks in Apple macOS
Description
A logic issue in Apple macOS Gatekeeper allowed an app to bypass security checks. This vulnerability was addressed with improved checks and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. The issue could allow unauthorized apps to run without Gatekeeper validation.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84570 is a logic flaw in Apple macOS Gatekeeper that could enable an application to bypass the Gatekeeper security checks designed to prevent untrusted software from running. Apple fixed this issue by improving the Gatekeeper validation logic. The vulnerability affects macOS versions prior to Golden Gate 27, Sequoia 15.8, and Tahoe 26.7.
Potential Impact
An attacker could exploit this vulnerability to run applications that bypass Gatekeeper's security checks, potentially allowing untrusted or malicious software to execute on affected macOS systems. This could undermine the system's protection against unauthorized software execution.
Mitigation Recommendations
Apple has released fixes in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Users and administrators should update to these versions or later to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.755Z
- State
- PUBLISHED
Threat ID: 6aa8610b55bf5e2cf59d2bf7
Added to database: 09/14/2026, 21:03:07 UTC
Last enriched: 09/14/2026, 22:33:45 UTC
Last updated: 09/15/2026, 01:48:53 UTC
Views: 3
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