CVE-2026-43755
Analyzed Analyzed - Analysis Complete

Race Condition in macOS Sonoma and Tahoe Leads to Root Privilege Escalation

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description
A race condition was addressed with improved state management. This issue is fixed in macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to gain root privileges.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-28
Generated
2026-08-17
AI Q&A
2026-07-28
EPSS Evaluated
2026-08-15
NVD
CVE-2026-43755
EUVD
EUVD-2026-49475

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apple macos From 14.0 (inc) to 14.8.8 (exc)
apple macos From 26.0 (inc) to 26.6 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This is a race condition vulnerability where improper state management could allow an app to escalate privileges to root level. It was fixed in macOS Sonoma 14.8.8 and macOS Tahoe 26.6.

Detection Guidance

This vulnerability is a race condition in macOS that may allow privilege escalation to root. Detection requires checking macOS version against the patched releases (Sonoma 14.8.8 or Tahoe 26.6). Use 'sw_vers' to check your version. If unpatched, apply Apple's security updates immediately.

Impact Analysis

An attacker could exploit this to gain full root access on your system, potentially allowing them to install malware, steal data, or take complete control of your device.

Compliance Impact

This vulnerability allows an app to gain root privileges, which could lead to unauthorized access to sensitive data. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy) by enabling unauthorized data access or modification.

Mitigation Strategies

Update macOS Sonoma to version 14.8.8 or later and macOS Tahoe to version 26.6 or later to address the race condition and prevent potential root privilege escalation.

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