To get the most stable version of the software, you should avoid third-party mirror sites and use the official Dell ecosystem.
The Assistant runs with medium integrity level (MIC). However, a vulnerability (CVE-2021-21519) was patched in version 2.0.5 that allowed local privilege escalation via DLL hijacking. Current versions (≥3.0.0) use signed binary validation and secure path loading. dell touchpad assistant application