Description
There exists a privilege escalation vulnerability for Windows 10 builds prior to build 17763. Due to the AppXSvc's improper handling of hard links, a user can gain full privileges over a SYSTEM-owned file. The user can then utilize the new file to execute code as SYSTEM.
This module employs a technique using the Diagnostics Hub Standard Collector Service (DiagHub) which was discovered by James Forshaw to load and execute a DLL as SYSTEM.
Module options
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/windows/local/appxsvc/hard_link_privescmsf undefined(hard_link_privesc) > show actions ...actions...msf undefined(hard_link_privesc) > set ACTION < action-name >msf undefined(hard_link_privesc) > show options ...show and set options...msf undefined(hard_link_privesc) > runPrioritise with Active Threat Intelligence
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