CVE-2026-50354: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50354) involves a use-after-free condition in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to privilege escalation, allowing an attacker to gain higher privileges on the system. 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 10 Version 1607 system. This could allow the attacker to execute code with elevated privileges, potentially compromising system integrity and security. There is no indication of confidentiality impact, but integrity and availability impacts are high.
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-2026-50354 to remediate this vulnerability.
CVE-2026-50354: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50354) involves a use-after-free condition in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access with some privileges and does not require user interaction. Successful exploitation could lead to privilege escalation, allowing an attacker to gain higher privileges on the system. 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 10 Version 1607 system. This could allow the attacker to execute code with elevated privileges, potentially compromising system integrity and security. There is no indication of confidentiality impact, but integrity and availability impacts are high.
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-2026-50354 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:48:26.815Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50354","vendor":"Microsoft"}]
Threat ID: 6a566f7668715ace43e6b905
Added to database: 07/14/2026, 17:18:46 UTC
Last enriched: 08/13/2026, 14:38:33 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 40
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