CVE-2026-28821

| EUVD-2026-15085 HIGH
2026-03-25 apple GHSA-7jx6-r36g-7pwq
8.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 25, 2026 - 01:00 vuln.today
EUVD ID Assigned
Mar 25, 2026 - 01:00 euvd
EUVD-2026-15085
CVE Published
Mar 25, 2026 - 00:32 nvd
HIGH 8.4

Tags

Apple Authentication Bypass macOS

Description

A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. 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 gain elevated privileges.

Analysis

A validation flaw in macOS entitlement verification allows applications to bypass privilege checks and gain elevated system privileges. The vulnerability affects macOS Sequoia 15.7.4 and earlier, macOS Sonoma 14.8.4 and earlier, and macOS Tahoe 26.3 and earlier. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

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Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +42
POC: 0

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CVE-2026-28821 vulnerability details – vuln.today
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