CVE-2026-50390: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Windows 10 Version 1607
Access of resource using incompatible type ('type confusion') in Windows Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a type confusion flaw (CWE-843) in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). It permits a local attacker with limited privileges to gain elevated privileges by exploiting improper handling of resource types in kernel code. Microsoft has published an official fix addressing this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the affected system. This could lead to full system compromise depending on the attacker's objectives and environment.
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-2026-50390 to remediate this vulnerability.
CVE-2026-50390: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Windows 10 Version 1607
Description
Access of resource using incompatible type ('type confusion') in Windows Kernel 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 involves a type confusion flaw (CWE-843) in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). It permits a local attacker with limited privileges to gain elevated privileges by exploiting improper handling of resource types in kernel code. Microsoft has published an official fix addressing this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the affected system. This could lead to full system compromise depending on the attacker's objectives and environment.
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-2026-50390 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-2026-50390","vendor":"Microsoft"}]
Threat ID: 6a56769768715ace43f08e49
Added to database: 07/14/2026, 17:49:11 UTC
Last enriched: 08/13/2026, 14:46:09 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 65
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