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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-50342

Microsoft Windows MIDI Service Module: improper access control

Microsoft

CVE-2026-50342 · Published Jul 14, 2026 · updated Jul 23, 2026

High8.8
Fix: upgrade to 10.0.26100.8875 or later (3 fixed versions below)
Microsoft advisory

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

Affected versions

PackageAffectedFixed in
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.887510.0.26100.8875
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.887510.0.26200.8875
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.252510.0.28000.2525
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-284

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