CVE-2026-86910

macOS Path Validation Issue Allowing Unauthorized File Access

Published Sep 14, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A permissions issue was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An application may be able to access restricted files.

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 Path Validation Issue Allowing Unauthorized File Access
Type Values Removed Values Added
Title macOS Permissions Flaw Allowing Access to Restricted Files via Improper Path Validation
Weaknesses CWE-284
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
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
Title macOS Permissions Flaw Allowing Access to Restricted Files via Improper Path Validation
Weaknesses CWE-22
CWE-284
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A permissions issue was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An application may be able to access restricted files.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:34 PM
Reserved
Sep 8, 2026, 4:43 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 18, 2026, 12:07 PM