CVE-2026-50308: CWE-191: Integer Underflow (Wrap or Wraparound) in Microsoft Windows 10 Version 1607
CVE-2026-50308 is a high-severity integer underflow vulnerability in the Windows NTFS component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized local attacker to execute code with elevated impact on confidentiality, integrity, and availability. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves an integer underflow (wrap or wraparound) in the Windows NTFS file system driver on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow a local attacker to execute arbitrary code, potentially leading to full system compromise. The CVSS 3.1 base score is 7.8, indicating high severity with local attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this integer underflow vulnerability can result in local code execution with high impact on system confidentiality, integrity, and availability. This could allow an attacker to run arbitrary code on the affected system, potentially leading to full compromise.
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-2026-50308 to remediate this vulnerability.
CVE-2026-50308: CWE-191: Integer Underflow (Wrap or Wraparound) in Microsoft Windows 10 Version 1607
Description
CVE-2026-50308 is a high-severity integer underflow vulnerability in the Windows NTFS component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized local attacker to execute code with elevated impact on confidentiality, integrity, and availability. An official fix is available from Microsoft.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer underflow (wrap or wraparound) in the Windows NTFS file system driver on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow a local attacker to execute arbitrary code, potentially leading to full system compromise. The CVSS 3.1 base score is 7.8, indicating high severity with local attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this integer underflow vulnerability can result in local code execution with high impact on system confidentiality, integrity, and availability. This could allow an attacker to run arbitrary code on the affected system, potentially leading to full compromise.
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-2026-50308 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T17:30:16.975Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50308","vendor":"Microsoft"}]
Threat ID: 6a566f7368715ace43e6b75a
Added to database: 07/14/2026, 17:18:43 UTC
Last enriched: 07/15/2026, 01:19:43 UTC
Last updated: 07/15/2026, 01:19:43 UTC
Views: 2
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