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 controls in the Windows Remote Desktop Licensing Service on Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with local authorized access to elevate their privileges due to the absence of proper authentication for a critical function. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining administrative rights or executing actions beyond their original permissions. This could lead to full system compromise, affecting confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26159 to remediate the issue. No additional mitigation steps are indicated by the vendor.
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-306) involves missing authentication controls in the Windows Remote Desktop Licensing Service on Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with local authorized access to elevate their privileges due to the absence of proper authentication for a critical function. The CVSS 3.1 base score is 7.8, indicating high severity with impacts on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining administrative rights or executing actions beyond their original permissions. This could lead to full system compromise, affecting confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the provided patch from the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26159 to remediate the issue. No additional mitigation steps are indicated by the vendor.
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: 4/14/2026, 5:32:06 PM
Last enriched: 4/14/2026, 7:17:43 PM
Last updated: 4/15/2026, 6:05:35 AM
Views: 3
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