Path Traversal in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A path handling issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. Extracting a maliciously crafted archive may allow an attacker to write arbitrary files.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-84534

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.7
apple	ipados	26.7
apple	ios	27
apple	ipados	27
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7
apple	visionos	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a path handling vulnerability where maliciously crafted archives could allow an attacker to write arbitrary files during extraction. It was addressed with improved validation in specific Apple operating system versions.

Impact Analysis

If you extract a malicious archive on a vulnerable system, an attacker could write arbitrary files to your device. This could lead to unauthorized code execution, data corruption, or further compromise of your system.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.7 or later, iPadOS 26.7 or later, iOS 27 or later, iPadOS 27 or later, macOS Golden Gate 27 or later, macOS Sequoia 15.8 or later, macOS Tahoe 26.7 or later, visionOS 27 or later.

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