---
id: CVE-2026-28933
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 Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6.
  An app may be able to cause unexpected system termination.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-416
vendor: apple
product: macos
affected:
  - 'macos >= 14.0, < 14.8.8'
  - 'macos >= 15.0, < 15.7.8'
  - 'macos >= 26.0, < 26.6'
patched:
  - macos 26.6
published: '2026-09-14'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T19:26:48.493'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-28933'
references:
  - url: 'https://support.apple.com/en-us/128067'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/128071'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/128072'
    label: product-security@apple.com
tags:
  - nvd
  - cve.org
epss: 0.00155
epssPercentile: 0.0388
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T16:40:15.770534Z'
ingestedAt: '2026-09-14T21:15:17.524Z'
---

## Overview

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

## Affected

- `macos >= 14.0, < 14.8.8`
- `macos >= 15.0, < 15.7.8`
- `macos >= 26.0, < 26.6`

## Remediation

Upgrade past the affected range:

- `macos 26.6`