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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-69339

Microsoft Windows MIDI Service Module: system information exposure

Microsoft

CVE-2026-69339 · Published Sep 8, 2026 · updated Sep 17, 2026

Medium5.5
Fix: upgrade to 10.0.26100.9445 or later (3 fixed versions below)
Microsoft advisory

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

Affected versions

PackageAffectedFixed in
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.944510.0.26100.9445
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.944510.0.26200.9445
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.295410.0.28000.2954
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-497

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