A time-of-check time-of-use vulnerability in PulseSecureService.exe in Pulse Secure Client versions prior to 9.1.6 down to 5.3 R70 for Windows (which runs as NT AUTHORITY/SYSTEM) allows unprivileged users to run a Microsoft Installer executable with elevated privileges.
A vulnerability in the Pulse Secure Desktop Client < 9.1R9 allows a restricted user on an endpoint machine can use system-level privileges if the Embedded Browser is configured with Credential Provider. This vulnerability only affects Windows PDC if the Embedded Browser is configured with the Credential Provider.