Lenovo thanks Ceri Coburn at Pen Test Partners for reporting this issue.

A privilege escalation vulnerability was reported in the LenovoSystemUpdatePlugin for Lenovo System Interface Foundation prior to version that could allow an authenticated user to execute code with elevated privileges.

A vulnerability was reported in LenovoAppScenarioPluginSystem for Lenovo System Interface Foundation prior to version 1.2.184.31 that could allow unsigned DLL files to be executed.

A privilege escalation vulnerability was reported in Lenovo System Interface Foundation prior to version 1.1.19.3 that could allow an authenticated user to execute code with elevated privileges.