CVE-2026-50357: CWE-197: Numeric Truncation Error in Microsoft Windows 10 Version 1607
Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50357 and classified under CWE-197 (Numeric Truncation Error), affects Windows 10 Version 1607 (build 10.0.14393.0). It exists in the Windows Resilient File System (ReFS) component and allows an authorized attacker with local access to execute code. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and privileges required. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability can lead to local code execution with high impact on confidentiality, integrity, and availability of the affected system. This means an attacker with authorized local access could potentially run arbitrary code, compromising system security.
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-2026-50357 to remediate this vulnerability.
CVE-2026-50357: CWE-197: Numeric Truncation Error in Microsoft Windows 10 Version 1607
Description
Numeric truncation error in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-50357 and classified under CWE-197 (Numeric Truncation Error), affects Windows 10 Version 1607 (build 10.0.14393.0). It exists in the Windows Resilient File System (ReFS) component and allows an authorized attacker with local access to execute code. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and privileges required. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability can lead to local code execution with high impact on confidentiality, integrity, and availability of the affected system. This means an attacker with authorized local access could potentially run arbitrary code, compromising system security.
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-2026-50357 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-2026-50357","vendor":"Microsoft"}]
Threat ID: 6a56769368715ace43f08d1b
Added to database: 07/14/2026, 17:49:07 UTC
Last enriched: 08/13/2026, 14:39:03 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 56
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