CVE-2026-33430 Briefcase: Windows MSI Installer Privilege Escalation via Insecure Directory Permissions

Briefcase is a tool for converting a Python project into a standalone native application. Starting in version 0.3.0 and prior to version 0.3.26, if a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users i.e., per-machine scope, th...

Briefcase: Windows MSI Installer Privilege Escalation via Insecure Directory Permissions

Impact If a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users i.e., per-machine scope, the installation process creates an directory that inherits all the permissions of the parent directory. Depending on the location chosen by...