---
id: CVE-2026-43690
title: A race condition was addressed with improved locking
summary: >-
  A race condition was addressed with improved locking. This issue is fixed in
  macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A local user may
  be able to read kernel memory.
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-362
vendor: apple
product: macos
affected:
  - 'macos >= 15.0, < 15.8'
  - 'macos >= 26.0, < 26.7'
patched:
  - macos 26.7
published: '2026-09-14'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T11:42:58.377'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-43690'
references:
  - url: 'https://support.apple.com/en-us/149035'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149042'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149043'
    label: product-security@apple.com
tags:
  - nvd
  - cve.org
epss: 0.00107
epssPercentile: 0.01031
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T19:26:52.831775Z'
ingestedAt: '2026-09-14T21:15:17.465Z'
---

## Overview

A race condition was addressed with improved locking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A local user may be able to read kernel memory.

## Affected

- `macos >= 15.0, < 15.8`
- `macos >= 26.0, < 26.7`

## Remediation

Upgrade past the affected range:

- `macos 26.7`