CVE-2026-84578

Published Sep 14, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
A logic 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.

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 macOS Sandbox Escape Vulnerability Allowing Privilege Escalation
Weaknesses CWE-269
CWE-285
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title macOS Sandbox Escape Vulnerability Allowing Privilege Escalation
Weaknesses CWE-269
CWE-285
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Apple macOS Sandbox Breakout via Logic Error Allows App to Escape Sandbox
Weaknesses CWE-285
Type Values Removed Values Added
Title Apple macOS Sandbox Breakout via Logic Error Allows App to Escape Sandbox
Weaknesses CWE-285
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A logic 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:43 PM
Reserved
Sep 1, 2026, 9:13 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 18, 2026, 4:17 AM