CVE-2026-26159: CWE-306: Missing Authentication for Critical Function in Microsoft Windows 10 Version 1607
Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CWE-306) involves missing authentication for a critical function within the Windows Remote Desktop Licensing Service on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate privileges. 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
An authorized local attacker can exploit the missing authentication to elevate privileges, potentially gaining full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability at a high level, enabling significant unauthorized actions if exploited.
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-2026-26159 to remediate this vulnerability.
CVE-2026-26159: CWE-306: Missing Authentication for Critical Function in Microsoft Windows 10 Version 1607
Description
Missing authentication for critical function in Windows Remote Desktop Licensing Service 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 (CWE-306) involves missing authentication for a critical function within the Windows Remote Desktop Licensing Service on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate privileges. 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
An authorized local attacker can exploit the missing authentication to elevate privileges, potentially gaining full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability at a high level, enabling significant unauthorized actions if exploited.
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-2026-26159 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T18:33:57.775Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26159","vendor":"Microsoft"}]
Threat ID: 69de7a1682d89c981fd6a63c
Added to database: 04/14/2026, 17:32:06 UTC
Last enriched: 06/19/2026, 16:58:47 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 106
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