CVE-2026-50331: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Application Model allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50331 and classified under CWE-416 (Use After Free), affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It involves a use-after-free condition in the Windows Application Model component, which can be exploited by an authorized local attacker to elevate 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 advisory.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges, potentially gaining higher-level access than intended. This can lead to full system compromise depending on the privileges gained. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-50331. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-50331: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Application Model 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-2026-50331 and classified under CWE-416 (Use After Free), affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It involves a use-after-free condition in the Windows Application Model component, which can be exploited by an authorized local attacker to elevate 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 advisory.
Potential Impact
An authorized local attacker can exploit this use-after-free vulnerability to elevate their privileges, potentially gaining higher-level access than intended. This can lead to full system compromise depending on the privileges gained. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-50331. It is recommended to apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
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: 08/13/2026, 14:34:14 UTC
Last updated: 08/28/2026, 22:52:11 UTC
Views: 64
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