CVE-2026-50342: CWE-284: Improper Access Control in Microsoft Windows 11 Version 24H2
Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50342) is classified under CWE-284 (Improper Access Control) and affects Windows 11 Version 24H2, specifically version 10.0.26100.0. The flaw exists in the Windows MIDI Service Module and enables an authorized local attacker to elevate privileges. The CVSS v3.1 score is 8.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security advisory.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected Windows 11 system. This could lead to full system compromise, including unauthorized access to sensitive data and the ability to execute arbitrary code with elevated rights. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible. No additional mitigations are required beyond applying the official patch.
CVE-2026-50342: CWE-284: Improper Access Control in Microsoft Windows 11 Version 24H2
Description
Improper access control in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50342) is classified under CWE-284 (Improper Access Control) and affects Windows 11 Version 24H2, specifically version 10.0.26100.0. The flaw exists in the Windows MIDI Service Module and enables an authorized local attacker to elevate privileges. The CVSS v3.1 score is 8.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security advisory.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges on the affected Windows 11 system. This could lead to full system compromise, including unauthorized access to sensitive data and the ability to execute arbitrary code with elevated rights. The vulnerability impacts confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible. No additional mitigations are required beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.952Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50342","vendor":"Microsoft"}]
Threat ID: 6a566f7668715ace43e6b8fc
Added to database: 07/14/2026, 17:18:46 UTC
Last enriched: 08/13/2026, 14:36:17 UTC
Last updated: 08/28/2026, 22:52:11 UTC
Views: 103
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