CVE-2026-50405: CWE-1220: Insufficient Granularity of Access Control in Microsoft Windows 10 Version 1607
CVE-2026-50405 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 related to insufficient granularity of access control in the Windows Filtering Platform (WFP). This flaw allows an authorized local attacker to elevate privileges. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability involves insufficient granularity of access control within the Windows Filtering Platform (WFP) on Windows 10 Version 1607 (build 10.0.14393.0). It permits an authorized local attacker to elevate their privileges, potentially gaining higher system rights than intended. The CVSS v3.1 base score is 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected Windows 10 Version 1607 system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the system.
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-2026-50405 to remediate this vulnerability.
CVE-2026-50405: CWE-1220: Insufficient Granularity of Access Control in Microsoft Windows 10 Version 1607
Description
CVE-2026-50405 is a high-severity vulnerability in Microsoft Windows 10 Version 1607 related to insufficient granularity of access control in the Windows Filtering Platform (WFP). This flaw allows an authorized local attacker to elevate privileges. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves insufficient granularity of access control within the Windows Filtering Platform (WFP) on Windows 10 Version 1607 (build 10.0.14393.0). It permits an authorized local attacker to elevate their privileges, potentially gaining higher system rights than intended. The CVSS v3.1 base score is 7.8, indicating high severity with impacts to confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected Windows 10 Version 1607 system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the system.
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-2026-50405 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:56:53.259Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50405","vendor":"Microsoft"}]
Threat ID: 6a56769a68715ace43f090e6
Added to database: 07/14/2026, 17:49:14 UTC
Last enriched: 07/15/2026, 00:02:37 UTC
Last updated: 07/15/2026, 00:02:37 UTC
Views: 2
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