CVE-2026-50342

Published: Jul 14, 2026Modified: Jul 23, 2026

8.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitability: 2.0 / Impact: 6.0

Source: secure@microsoft.com (Secondary)

Description

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

Affected (6)

Products: Microsoft: Windows 11 24h2, Windows 11 25h2, Windows 11 26h1

3 products

Windows 11 24h2

Windows 11 25h2

Windows 11 26h1

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 11 24h2	Before 10.0.26100.8875
Microsoft Windows 11 24h2	Before 10.0.26100.8875
Microsoft Windows 11 25h2	Before 10.0.26200.8875
Microsoft Windows 11 25h2	Before 10.0.26200.8875
Microsoft Windows 11 26h1	Before 10.0.28000.2525
Microsoft Windows 11 26h1	Before 10.0.28000.2269

Related CWEs

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50342

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.