Apr 2026: Remote Desktop Licensing Service Elevation of Privilege Vulnerability
CVE-2026-26159 Published on April 14, 2026
Remote Desktop Licensing Service Elevation of Privilege Vulnerability
Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.
Weakness Type
Missing Authentication for Critical Function
The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Products Associated with CVE-2026-26159
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Affected Versions
Microsoft Windows 10 Version 1607:- Version 10.0.14393.0 and below 10.0.14393.9060 is affected.
- Version 10.0.17763.0 and below 10.0.17763.8644 is affected.
- Version 10.0.19044.0 and below 10.0.19044.7184 is affected.
- Version 10.0.19045.0 and below 10.0.19045.7184 is affected.
- Version 10.0.22631.0 and below 10.0.22631.6936 is affected.
- Version 10.0.22631.0 and below 10.0.22631.6936 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32690 is affected.
- Version 10.0.26200.0 and below 10.0.26200.8246 is affected.
- Version 10.0.28000.0 and below 10.0.28000.1836 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26026 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26026 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23132 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23132 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9060 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9060 is affected.
- Version 10.0.17763.0 and below 10.0.17763.8644 is affected.
- Version 10.0.17763.0 and below 10.0.17763.8644 is affected.
- Version 10.0.20348.0 and below 10.0.20348.5020 is affected.
- Version 10.0.25398.0 and below 10.0.25398.2274 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32690 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32690 is affected.