CVE-2026-50436: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50436 and classified under CWE-416 (Use After Free), affects the Windows Kernel component in Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). It enables a local attacker with authorized access to elevate their privileges by exploiting a use-after-free condition. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 11 system. Successful exploitation could lead to full control over the system, compromising confidentiality, integrity, and availability of data and system resources.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50436 for detailed patch information and deployment guidance.
CVE-2026-50436: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-50436 and classified under CWE-416 (Use After Free), affects the Windows Kernel component in Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). It enables a local attacker with authorized access to elevate their privileges by exploiting a use-after-free condition. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate privileges on the affected Windows 11 system. Successful exploitation could lead to full control over the system, compromising confidentiality, integrity, and availability of data and system resources.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate the issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50436 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:57:47.376Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50436","vendor":"Microsoft"}]
Threat ID: 6a56769f68715ace43f09467
Added to database: 07/14/2026, 17:49:19 UTC
Last enriched: 08/13/2026, 14:54:43 UTC
Last updated: 08/28/2026, 22:52:11 UTC
Views: 60
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