CVE-2026-28840

macOS Privilege Escalation via Permissions Flaw

Published May 11, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.4. An app may be able to gain root privileges.

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 Privilege Escalation via Permissions Flaw
Type Values Removed Values Added
Title Privilege Escalation via macOS Permissions Issue
Weaknesses CWE-284
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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 Privilege Escalation via macOS Permissions Issue
First Time appeared Apple
Apple macos
Weaknesses CWE-269
CWE-284
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.4. An app may be able to gain root privileges.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
May 13, 2026, 3:57 AM
Reserved
Mar 3, 2026, 4:36 PM
Status
Analyzed
Published
May 11, 2026, 9:18 PM
Modified
Oct 26, 2026, 6:10 PM