# CVE-2026-50342: Windows MIDI Service Module Elevation of Privileges Vulnerability

CVE-2026-50342 is fixed in 6 products on 1 platform, first by KB5101650, released July 14, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-50342
- Priority: High
- CVSS: 8.8 (Important)
- EPSS: 0.0030
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jul 14, 2026
- Weakness: Improper Access Control
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50342

## Description

<p>Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 11 Version 24H2 for ARM64-based Systems |  | [KB5101650](https://patchblox.com/security/data/fix/microsoft/kb5101650.md) | Jul 14, 2026 |
| Microsoft | Windows 11 Version 24H2 for x64-based Systems |  | [KB5101650](https://patchblox.com/security/data/fix/microsoft/kb5101650.md) | Jul 14, 2026 |
| Microsoft | Windows 11 Version 25H2 for ARM64-based Systems |  | [KB5101650](https://patchblox.com/security/data/fix/microsoft/kb5101650.md) | Jul 14, 2026 |
| Microsoft | Windows 11 Version 25H2 for x64-based Systems |  | [KB5101650](https://patchblox.com/security/data/fix/microsoft/kb5101650.md) | Jul 14, 2026 |
| Microsoft | Windows 11 Version 26H1 for ARM64-based Systems | 28000.2525 | [KB5101649](https://patchblox.com/security/data/fix/microsoft/kb5101649.md) | Jul 14, 2026 |
| Microsoft | Windows 11 version 26H1 for x64-based Systems | 28000.2525 | [KB5101649](https://patchblox.com/security/data/fix/microsoft/kb5101649.md) | Jul 14, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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