---
id: CVE-2026-84534
title: A path handling issue was addressed with improved validation
summary: >-
  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
  crafte…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'
cwe:
  - CWE-22
vendor: apple
product: ipados
affected:
  - ipados < 27.0
  - iphone_os < 27.0
  - 'macos >= 15.0, < 15.8'
  - 'macos >= 26.0, < 26.7'
  - visionos < 27.0
patched:
  - ipados 27.0
  - iphone_os 27.0
  - macos 26.7
  - visionos 27.0
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T14:13:12.300'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84534'
references:
  - url: 'https://support.apple.com/en-us/149034'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149035'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149038'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149041'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149042'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149043'
    label: product-security@apple.com
tags:
  - nvd
  - cve.org
epss: 0.00181
epssPercentile: 0.06796
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T19:25:43.930477Z'
ingestedAt: '2026-09-14T21:15:17.467Z'
---

## Overview

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.

## Affected

- `ipados < 27.0`
- `iphone_os < 27.0`
- `macos >= 15.0, < 15.8`
- `macos >= 26.0, < 26.7`
- `visionos < 27.0`

## Remediation

Upgrade past the affected range:

- `ipados 27.0`
- `iphone_os 27.0`
- `macos 26.7`
- `visionos 27.0`