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

Quick assessment

Affected
Microsoft Windows 11 Version 24H2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows MIDI Service Module是美国Microsoft公司的一款操作系统组件，主要用途是管理和处理MIDI（乐器数字接口）数据流，为音乐软件和硬件提供底层支持。 Microsoft Windows MIDI Service Module存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致授权攻击者在本地提升权限。以下产品受到影响：Microsoft Windows 11 Version 24H2 10.0.26100.0之前版本、Windows 11

CVSS 8.8 · High EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 3

VendorProduct Version RangeStatus
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.8875 affected
Microsoft Windows 11 Version 25H2 10.0.26200.0< 10.0.26200.8875 affected
Microsoft Windows 11 version 26H1 10.0.28000.0< 10.0.28000.2525 affected
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I. Basic Information for CVE-2026-50342

Vulnerability Information
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Vulnerability Title
Windows MIDI Service Module Elevation of Privileges Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows MIDI Service Module 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows MIDI Service Module是美国Microsoft公司的一款操作系统组件，主要用途是管理和处理MIDI（乐器数字接口）数据流，为音乐软件和硬件提供底层支持。 Microsoft Windows MIDI Service Module存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致授权攻击者在本地提升权限。以下产品受到影响：Microsoft Windows 11 Version 24H2 10.0.26100.0之前版本、Windows 11
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8875 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.8875 -
Microsoft Windows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2525 -

II. Public POCs for CVE-2026-50342

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III. Intelligence Information for CVE-2026-50342

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Vendor Advisories for CVE-2026-50342 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

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CVE-2026-49172 9.8 CRITICAL Windows FTP Service Remote Code Execution Vulnerability
CVE-2026-48561 9.6 CRITICAL Microsoft Edge Copilot Remote Code Execution Vulnerability
CVE-2026-50380 9.6 CRITICAL Windows GDI+ Remote Code Execution Vulnerability
CVE-2026-55008 9.6 CRITICAL Microsoft Exchange Server Spoofing Vulnerability
CVE-2026-49798 9.3 CRITICAL Windows Kernel Elevation of Privilege Vulnerability
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Showing top 20 of 570 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 11 Version 24H2
Same vendor: Microsoft
Same weakness: CWE-284

V. Comments for CVE-2026-50342

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