CVE-2026-25179: CWE-1287: Improper Validation of Specified Type of Input in Microsoft Windows 10 Version 1607
Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-25179) affects Windows 10 Version 1607 (build 10.0.14393.0) and is caused by improper validation of input types in the Windows Ancillary Function Driver for WinSock. An authorized local attacker can exploit this flaw to elevate their privileges on the affected system. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges, but no user interaction. The impact includes high confidentiality, integrity, and availability consequences. Microsoft has published a patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights than intended. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system operations. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
A patch is available from Microsoft to address this vulnerability. It is recommended to apply the official update for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-25179: CWE-1287: Improper Validation of Specified Type of Input in Microsoft Windows 10 Version 1607
Description
Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-25179) affects Windows 10 Version 1607 (build 10.0.14393.0) and is caused by improper validation of input types in the Windows Ancillary Function Driver for WinSock. An authorized local attacker can exploit this flaw to elevate their privileges on the affected system. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges, but no user interaction. The impact includes high confidentiality, integrity, and availability consequences. Microsoft has published a patch to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights than intended. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system operations. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
A patch is available from Microsoft to address this vulnerability. It is recommended to apply the official update for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-29T18:36:49.695Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b0562dea502d3aa87d6a3b
Added to database: 3/10/2026, 5:34:37 PM
Last enriched: 4/18/2026, 2:13:28 PM
Last updated: 4/28/2026, 7:26:51 AM
Views: 62
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