---
id: CVE-2026-112526
title: A buffer overflow was addressed with improved bounds checking
summary: >-
  A buffer overflow was addressed with improved bounds checking. This issue is
  fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A
  remote attacker may be able to cause unexpected app termination.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: adp
vendor: Apple
product: macOS
affected:
  - macOS < 15.8.2
  - macOS < 26.7.2
  - macOS < 27.2
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-11-03T21:53:46.420284Z'
published: '2026-10-26'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T22:31:23.198Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112526'
references:
  - url: 'https://support.apple.com/en-us/149521'
  - url: 'https://support.apple.com/en-us/149522'
  - url: 'https://support.apple.com/en-us/149523'
tags:
  - cve.org
epss: 0.0085
epssPercentile: 0.58334
ingestedAt: '2026-10-26T20:39:42.558Z'
---

## Overview

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A remote attacker may be able to cause unexpected app termination.

## Affected

- `macOS < 15.8.2`
- `macOS < 26.7.2`
- `macOS < 27.2`

## Remediation

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