CVE-2026-69720: Windows MIDI Service Module Elevation of Privileges Vulnerability

Published Sep 8, 2026
·
Updated

Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.

Other sources

Windows MIDI Service Module Elevation of Privileges Vulnerability

Microsoft

Affected Software

6 affected componentsFixes available
Microsoft Windows 11=24H2
10.0.26100.9445
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows 11=26H1
10.0.28000.2954
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=25H2
10.0.26200.9445
Microsoft Windows 11=24H2
10.0.26100.9445

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.28000.2954Patch KB5124012
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.9445Patch KB5124008
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26200.9445Patch KB5124008

Event History

Sep 8, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:16 PM
Data Sourced
via MITRE·05:16 PM
DescriptionSeverity
Data Sourced
via NVD·06:19 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who is exposed to this vulnerability?

Systems running Microsoft Windows 11 with the Windows MIDI Service Module are in scope. Exploitation is local, so the attacker must already be able to run code on the affected system.

2

What level of access does an attacker need?

The attacker must be authorized and have low-level privileges on the local Windows system. No user interaction is required after the attacker has that access.

3

What is the potential impact of successful exploitation?

Successful exploitation can allow elevation of privileges. The provided severity vector indicates potential high impact to confidentiality, integrity, and availability.

Contact

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