CVE-2026-50402: CWE-681: Incorrect Conversion between Numeric Types in Microsoft Windows 10 Version 1607
CVE-2026-50402 is a vulnerability in Microsoft Windows 10 Version 1607 where an incorrect conversion between numeric types in the NTFS file system allows an authorized local attacker to elevate privileges. The issue has a high severity with a CVSS score of 7.8. An official fix is available from Microsoft to address this vulnerability.
AI Analysis
Technical Summary
This vulnerability involves an incorrect conversion between numeric types within the Windows NTFS component in Windows 10 Version 1607 (build 10.0.14393.0). This flaw can be exploited by an authorized local attacker to elevate privileges on the affected system. The vulnerability is tracked as CWE-681 (Incorrect Conversion between Numeric Types). Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity as indicated by the CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50402 for detailed patch information and deployment guidance.
CVE-2026-50402: CWE-681: Incorrect Conversion between Numeric Types in Microsoft Windows 10 Version 1607
Description
CVE-2026-50402 is a vulnerability in Microsoft Windows 10 Version 1607 where an incorrect conversion between numeric types in the NTFS file system allows an authorized local attacker to elevate privileges. The issue has a high severity with a CVSS score of 7.8. An official fix is available from Microsoft to address this vulnerability.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an incorrect conversion between numeric types within the Windows NTFS component in Windows 10 Version 1607 (build 10.0.14393.0). This flaw can be exploited by an authorized local attacker to elevate privileges on the affected system. The vulnerability is tracked as CWE-681 (Incorrect Conversion between Numeric Types). Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity as indicated by the CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50402 for detailed patch information and deployment guidance.
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: 07/15/2026, 00:03:04 UTC
Last updated: 07/15/2026, 00:03:04 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.