CVE-2026-50392: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Use after free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50392, involves a use-after-free condition in the Windows Secure Kernel Mode component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation requires local access with limited privileges but can lead to privilege escalation. The CVSS 3.1 vector indicates high complexity and privileges required, no user interaction, and impacts confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 11 system. This could allow the attacker to gain higher-level access than intended, potentially compromising system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50392 to remediate this vulnerability.
CVE-2026-50392: CWE-416: Use After Free in Microsoft Windows 11 Version 24H2
Description
Use after free in Windows Secure Kernel Mode 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
This vulnerability, identified as CVE-2026-50392, involves a use-after-free condition in the Windows Secure Kernel Mode component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation requires local access with limited privileges but can lead to privilege escalation. The CVSS 3.1 vector indicates high complexity and privileges required, no user interaction, and impacts confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges on the affected Windows 11 system. This could allow the attacker to gain higher-level access than intended, potentially compromising system confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50392 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:55:14.745Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50392","vendor":"Microsoft"}]
Threat ID: 6a56769868715ace43f08e5f
Added to database: 07/14/2026, 17:49:12 UTC
Last enriched: 08/13/2026, 14:46:40 UTC
Last updated: 08/26/2026, 22:52:11 UTC
Views: 65
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