CVE-2026-43749
Received Received - Intake

Path Traversal in macOS Leading to Root Privilege Escalation

Vulnerability report for CVE-2026-43749, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to gain root privileges.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
apple macos_sequoia 15.7.8
apple macos_sonoma 14.8.8
apple macos_tahoe 26.6

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

This vulnerability is a parsing issue in how directory paths are handled. It allows an app to gain root privileges by exploiting improper path validation. The issue was fixed in specific macOS versions.

Impact Analysis

If exploited, this vulnerability could allow a malicious app to gain full root access on your system. This could lead to unauthorized control over your device, data theft, or installation of harmful software.

Mitigation Strategies

Update to the latest version of macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6 to address the vulnerability.

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