CVE-2021-28927: Improper Neutralization of Special Elements used in an OS Command

The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platformwin32.c via the accessibilityspeakwindows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection...