Improper Path Validation in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A permissions issue was addressed with improved path validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to modify protected system files.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-84609

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	27
apple	ipad_os	27
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7
apple	tv_os	27
apple	vision_os	27
apple	watch_os	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a permissions issue caused by insufficient path validation. An app could exploit this to modify protected system files on affected Apple devices.

Impact Analysis

An attacker could potentially use this flaw to alter critical system files, leading to unauthorized changes, data corruption, or system instability on your device.

Mitigation Strategies

Update affected Apple devices to the latest versions mentioned in the CVE description to address the permissions issue and prevent unauthorized file modifications.

Hi! I’m here to help you understand CVE-2026-84609. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70