---
id: CVE-2026-69339
title: >-
  Exposure of sensitive system information to an unauthorized control sphere in
  Windows MIDI Service Module allows an authorized attacker to disclose
  information locally.
summary: >-
  Exposure of sensitive system information to an unauthorized control sphere in
  Windows MIDI Service Module allows an authorized attacker to disclose
  information locally.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-497
vendor: microsoft
product: windows_11_24h2
affected:
  - windows_11_24h2 < 10.0.26100.9445
  - windows_11_25h2 < 10.0.26200.9445
  - windows_11_26h1 < 10.0.28000.2954
patched:
  - windows_11_24h2 10.0.26100.9445
  - windows_11_25h2 10.0.26200.9445
  - windows_11_26h1 10.0.28000.2954
published: '2026-09-08'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T15:47:43.577'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-69339'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69339'
    label: secure@microsoft.com
tags:
  - nvd
  - cve.org
epss: 0.00458
epssPercentile: 0.39065
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-08T19:53:24.068587Z'
ingestedAt: '2026-09-08T19:08:49.609Z'
---

## Overview

Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.

## Affected

- `windows_11_24h2 < 10.0.26100.9445`
- `windows_11_25h2 < 10.0.26200.9445`
- `windows_11_26h1 < 10.0.28000.2954`

## Remediation

Upgrade past the affected range:

- `windows_11_24h2 10.0.26100.9445`
- `windows_11_25h2 10.0.26200.9445`
- `windows_11_26h1 10.0.28000.2954`