---
id: CVE-2026-84545
title: A use after free issue was addressed with improved memory management
summary: >-
  A use after free issue was addressed with improved memory management. This
  issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe
  26.7.2. An app with App Sandbox restrictions may be able to escape the sandbox
  and execu…
severity: none
vendor: Apple
product: macOS
affected:
  - macOS < 15.8.2
  - macOS < 26.7.2
  - macOS < 27
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:41:26.225Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-84545'
references:
  - url: 'https://support.apple.com/en-us/149035'
  - url: 'https://support.apple.com/en-us/149522'
  - url: 'https://support.apple.com/en-us/149523'
tags:
  - cve.org
epss: 0.00245
epssPercentile: 0.15694
ingestedAt: '2026-10-27T16:11:59.012Z'
---

## Overview

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app with App Sandbox restrictions may be able to escape the sandbox and execute code with root privileges.

## Affected

- `macOS < 15.8.2`
- `macOS < 26.7.2`
- `macOS < 27`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.