---
id: CVE-2026-28854
title: The issue was addressed with additional app bundle integrity checks
summary: >-
  The issue was addressed with additional app bundle integrity checks. This
  issue is fixed in macOS Golden Gate 27. A maliciously modified app may not be
  prevented from launching.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'
cvssSource: adp
vendor: Apple
product: macOS
affected:
  - macOS < 27
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-29T17:25:17.911078Z'
published: '2026-10-20'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T17:25:26.960Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-28854'
references:
  - url: 'https://support.apple.com/en-us/149035'
tags:
  - cve.org
epss: 0.00179
epssPercentile: 0.07518
ingestedAt: '2026-10-20T01:49:42.621Z'
---

## Overview

The issue was addressed with additional app bundle integrity checks. This issue is fixed in macOS Golden Gate 27. A maliciously modified app may not be prevented from launching.

## Affected

- `macOS < 27`

## Remediation

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