CVE-2026-55001: CWE-295: Improper Certificate Validation in Microsoft Windows 10 Version 1607
Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-55001) in Windows 10 Version 1607 arises from improper certificate validation within Windows Active Directory components. An authorized attacker with local access can exploit this weakness to elevate their privileges on the affected system. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher-level access than intended. This could lead to full system compromise, including unauthorized access to sensitive data and disruption of system operations.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55001 to remediate this vulnerability.
CVE-2026-55001: CWE-295: Improper Certificate Validation in Microsoft Windows 10 Version 1607
Description
Improper certificate validation in Windows Active Directory 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-2026-55001) in Windows 10 Version 1607 arises from improper certificate validation within Windows Active Directory components. An authorized attacker with local access can exploit this weakness to elevate their privileges on the affected system. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher-level access than intended. This could lead to full system compromise, including unauthorized access to sensitive data and disruption of system operations.
Mitigation Recommendations
An official fix is available from Microsoft. Administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55001 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-16T14:10:05.869Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55001","vendor":"Microsoft"}]
Threat ID: 6a566f7e68715ace43e6bc31
Added to database: 07/14/2026, 17:18:54 UTC
Last enriched: 07/14/2026, 17:50:05 UTC
Last updated: 07/14/2026, 23:08:11 UTC
Views: 3
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