CVE-2026-56183: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2026-56183 is a use-after-free vulnerability (CWE-416) affecting the Windows MIDI Service Module in Windows 11 Version 24H2 (build 10.0.26100.0). The flaw allows an attacker with local authorized access to elevate privileges by exploiting improper memory handling in the MIDI service. The vulnerability has been assigned a CVSS v3.1 base score of 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 11 Version 24H2 system. Successful exploitation could lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-56183. Users and administrators should apply the provided security update as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56183 for detailed patch information and update instructions.
CVE-2026-56183: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-56183 is a use-after-free vulnerability (CWE-416) affecting the Windows MIDI Service Module in Windows 11 Version 24H2 (build 10.0.26100.0). The flaw allows an attacker with local authorized access to elevate privileges by exploiting improper memory handling in the MIDI service. The vulnerability has been assigned a CVSS v3.1 base score of 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 11 Version 24H2 system. Successful exploitation could lead to full system compromise, affecting confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-56183. Users and administrators should apply the provided security update as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56183 for detailed patch information and update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-19T13:54:04.005Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56183","vendor":"Microsoft"}]
Threat ID: 6a5676ba68715ace43f0ae96
Added to database: 07/14/2026, 17:49:46 UTC
Last enriched: 07/14/2026, 18:50:07 UTC
Last updated: 07/15/2026, 00:27:29 UTC
Views: 2
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