macOS Sandbox Breakout (Pre-27 Golden Gate, Pre-15.8 Sequoia, Pre-26.7 Tahoe)
CVE-2026-84580 Published on September 14, 2026
The issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to break out of its sandbox.
Vulnerability Analysis
CVE-2026-84580 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-84580 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-84580
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Affected Versions
Apple macOS:- Before 15.8 is affected.
- Before 26.7 is affected.
- Before 27 is affected.