---
id: CVE-2026-84604
title: A stack buffer overflow was addressed through improved input validation
summary: >-
  A stack buffer overflow was addressed through improved input validation. This
  issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe
  26.7.2. Processing a maliciously crafted audit file may corrupt process
  memory.
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: '2026-10-26T20:33:57.429Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-84604'
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
ingestedAt: '2026-10-26T20:39:42.564Z'
epss: 0.00241
epssPercentile: 0.15135
---

## Overview

A stack buffer overflow was addressed through improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted audit file may corrupt process memory.

## 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.