CVE-2026-50331: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
CVE-2026-50331 is a use-after-free vulnerability in the Windows Application Model on Microsoft Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity score of 7.8 and has been officially fixed by Microsoft.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50331, involves a use-after-free condition in the Windows Application Model component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability, as documented in their security update guide.
Potential Impact
Successful exploitation of this use-after-free vulnerability allows an authorized local attacker to elevate privileges, potentially gaining higher-level access than intended. This could lead to full system compromise depending on the privileges escalated. The vulnerability affects confidentiality, integrity, and availability of the system.
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-2026-50331 to remediate this vulnerability.
CVE-2026-50331: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
CVE-2026-50331 is a use-after-free vulnerability in the Windows Application Model on Microsoft Windows 10 Version 1607. This flaw allows an authorized local attacker to elevate privileges. The vulnerability has a high severity score of 7.8 and has been officially fixed by Microsoft.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-50331, involves a use-after-free condition in the Windows Application Model component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability, as documented in their security update guide.
Potential Impact
Successful exploitation of this use-after-free vulnerability allows an authorized local attacker to elevate privileges, potentially gaining higher-level access than intended. This could lead to full system compromise depending on the privileges escalated. The vulnerability affects confidentiality, integrity, and availability of the system.
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-2026-50331 to remediate this vulnerability.
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-2026-50331","vendor":"Microsoft"}]
Threat ID: 6a56769168715ace43f08c74
Added to database: 07/14/2026, 17:49:05 UTC
Last enriched: 07/15/2026, 00:33:33 UTC
Last updated: 07/15/2026, 00:33:33 UTC
Views: 2
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