CVE-2026-28821
Received Received - Intake
Entitlement Validation Flaw in macOS Allows Privilege Escalation

Publication date: 2026-03-25

Last updated on: 2026-03-26

Assigner: Apple Inc.

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.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-26
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-28821
EUVD
EUVD-2026-15085
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
apple macos From 14.0 (inc) to 14.8.5 (exc)
apple macos From 15.0 (inc) to 15.7.5 (exc)
apple macos From 26.0 (inc) to 26.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
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Executive Summary

This vulnerability is a validation issue in the entitlement verification process on certain macOS versions. Specifically, the system did not properly validate process entitlements, which are permissions assigned to processes. Because of this flaw, an application could potentially gain elevated privileges that it should not have.

Impact Analysis

The impact of this vulnerability is that an application may be able to gain elevated privileges on affected macOS systems. This means that a malicious or compromised app could perform actions or access data beyond its intended permissions, potentially leading to unauthorized access or control over the system.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

To mitigate this vulnerability, update your macOS system to one of the fixed versions: macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4.

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