Potential Privilege Escalation in InstallShield

A potential privilege escalation issue was identified in InstallShield version 2025 R2 and earlier when running compressed Basic MSI setup with Prerequisites from an insecure location. If a local administrator launches a compressed Setup.exe with Prerequisites from an unsecured location, the Prerequisite installers also might load from an unsecured location, potentially leading to privilege escalation.

InstallShield Symlink Vulnerability Affecting Suite Project Setups

A vulnerability has been reported in Suite Setups built with versions prior to InstallShield 2023 R2. This vulnerability may allow locally authenticated users to cause a Denial of Service (DoS) condition when handling move operations on local, temporary folders.

Untrusted search path vulnerability in Flexera InstallShield through 2015 SP1 allows local users to gain privileges via a Trojan horse DLL in the current working directory of a setup-launcher executable file.