CVE-2026-43819

macOS Sandbox Bypass Allows Sensitive Data Access

Published Jul 27, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.6. An app may be able to access sensitive user data.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Title macOS Sandbox Bypass Allows Sensitive Data Access
Type Values Removed Values Added
Title macOS sandbox access issue exposing sensitive user data
Weaknesses CWE-200
Type Values Removed Values Added
Title macOS sandbox access issue exposing sensitive user data
Weaknesses CWE-200
Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

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

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.6. An app may be able to access sensitive user data.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Jul 28, 2026, 3:54 PM
Reserved
May 1, 2026, 10:46 PM
Status
Analyzed
Published
Jul 27, 2026, 9:17 PM
Modified
Oct 24, 2026, 1:10 PM