CVE-2026-50462: CWE-73: External Control of File Name or Path in Microsoft Windows 10 Version 1607
External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50462) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-73 (External Control of File Name or Path). It arises from improper handling of file names or paths by the Windows Ancillary Function Driver for WinSock, enabling an authorized local attacker to escalate privileges. The CVSS v3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges, potentially gaining higher-level access on the affected system. The impact includes full compromise of confidentiality, integrity, and availability of the system due to the high CVSS score and the nature of privilege escalation.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50462 to remediate this vulnerability.
CVE-2026-50462: CWE-73: External Control of File Name or Path in Microsoft Windows 10 Version 1607
Description
External control of file name or path in Windows Ancillary Function Driver for WinSock 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 (CVE-2026-50462) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-73 (External Control of File Name or Path). It arises from improper handling of file names or paths by the Windows Ancillary Function Driver for WinSock, enabling an authorized local attacker to escalate privileges. The CVSS v3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate their privileges, potentially gaining higher-level access on the affected system. The impact includes full compromise of confidentiality, integrity, and availability of the system due to the high CVSS score and the nature of privilege escalation.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50462 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:59:17.977Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50462","vendor":"Microsoft"}]
Threat ID: 6a5676a268715ace43f09511
Added to database: 07/14/2026, 17:49:22 UTC
Last enriched: 08/13/2026, 14:58:49 UTC
Last updated: 08/26/2026, 11:03:42 UTC
Views: 77
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