CVE-2026-28866

Improper Symlink Validation Leading to Access of Sensitive User Data on Apple Platforms

Published Mar 25, 2026 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Description
This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. 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
History
Type Values Removed Values Added
Title Improper Symlink Validation Leading to Access of Sensitive User Data on Apple Platforms
Type Values Removed Values Added
Title Symlink Validation Flaw Enabling Unauthorized Access to Sensitive User Data
Weaknesses CWE-20
CWE-22
Type Values Removed Values Added
Title Symlink Validation Flaw Enabling Unauthorized Access to Sensitive User Data
Weaknesses CWE-20
CWE-22
Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
CPEs cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os
Type Values Removed Values Added
Weaknesses CWE-59
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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 ios And Ipados
Apple macos
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Type Values Removed Values Added
Description This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:35 PM
Reserved
Mar 3, 2026, 4:36 PM
Status
Analyzed
Published
Mar 25, 2026, 1:17 AM
Modified
Jun 17, 2026, 10:29 AM