CVE-2020-9014: Epson Iprojection

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

In Epson iProjection v2.30, the driver file (EMP_NSAU.sys) allows local users to cause a denial of service (BSOD) via crafted input to the virtual audio device driver with IOCTL 0x9C402402, 0x9C402406, or 0x9C40240A. \Device\EMPNSAUIO and \DosDevices\EMPNSAU are similarly affected.

Affected products

• Epson Iprojection: up to and including 2.30

Published 2021-02-05. Last modified 2026-06-17.