CVE-2026-28827

Parsing Issue in Directory Path Handling Allows Sandbox Escape on macOS

Published Mar 25, 2026 CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. 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 Parsing Issue in Directory Path Handling Allows Sandbox Escape on macOS
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Weaknesses CWE-22
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
Title Sandbox Escape Vulnerability in macOS Directory Path Parsing
Weaknesses CWE-20
CWE-22
Type Values Removed Values Added
Title Sandbox Escape Vulnerability in macOS Directory Path Parsing
Weaknesses CWE-20
CWE-22
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Apr 2, 2026, 6:11 PM
Reserved
Mar 3, 2026, 4:36 PM
Status
Analyzed
Published
Mar 25, 2026, 1:17 AM
Modified
Jun 17, 2026, 10:29 AM