CVE-2026-84535

Authorization flaw enables sandbox escape on macOS

Published Sep 14, 2026 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
An authorization issue was addressed with improved state management. 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Authorization flaw enables sandbox escape on macOS
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Authorization Issue Allows App to Break Out of Sandbox in macOS
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Authorization Issue Allows App to Break Out of Sandbox in macOS
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description An authorization issue was addressed with improved state management. 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:42 PM
Reserved
Sep 1, 2026, 9:13 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 16, 2026, 6:02 PM