CVE-2026-50402: CWE-681: Incorrect Conversion between Numeric Types in Microsoft Windows 10 Version 1607
Incorrect conversion between numeric types in Windows NTFS allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability arises from an incorrect conversion between numeric types within the Windows NTFS implementation in Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw, an attacker with local access and limited privileges can elevate their privileges to a higher level. The issue is tracked as CWE-681 (Incorrect Conversion between Numeric Types). Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. The CVSS 3.1 vector indicates local attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on 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-2026-50402 to remediate this vulnerability.
CVE-2026-50402: CWE-681: Incorrect Conversion between Numeric Types in Microsoft Windows 10 Version 1607
Description
Incorrect conversion between numeric types in Windows NTFS 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 arises from an incorrect conversion between numeric types within the Windows NTFS implementation in Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw, an attacker with local access and limited privileges can elevate their privileges to a higher level. The issue is tracked as CWE-681 (Incorrect Conversion between Numeric Types). Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. The CVSS 3.1 vector indicates local attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, and high impact on 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-2026-50402 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:56:53.258Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50402","vendor":"Microsoft"}]
Threat ID: 6a56769868715ace43f08e7a
Added to database: 07/14/2026, 17:49:12 UTC
Last enriched: 08/13/2026, 14:48:24 UTC
Last updated: 08/26/2026, 22:52:11 UTC
Views: 84
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