CVE-2026-84562

Undergoing Analysis Undergoing Analysis - In Progress

macOS Tahoe Race Condition Leads to Data Access

Publication date: 2026-09-14

Last updated on: 2026-09-15

Assigner: Apple Inc.

Description

A race condition was addressed with additional validation. This issue is fixed in macOS Tahoe 26.6. An app may be able to access protected user data.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-14

Last Modified

2026-09-15

Generated

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-84562

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos_tahoe	26.6

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

A race condition vulnerability in macOS Tahoe 26.6 could allow an app to access protected user data due to insufficient validation. This flaw was addressed by adding extra validation steps to prevent unauthorized access.

Impact Analysis

This vulnerability may allow malicious apps to access sensitive user data, potentially leading to privacy breaches or unauthorized data exposure on affected macOS Tahoe systems.

Compliance Impact

This vulnerability could lead to non-compliance with data protection regulations like GDPR or HIPAA by enabling unauthorized access to protected user data, potentially resulting in legal or regulatory penalties.

Mitigation Strategies

Update to macOS Tahoe 26.6 or later to address the race condition vulnerability.

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