CVE-2020-9014

5.5 mediumEPSS 0.4%

Medium (5.5) in epson iprojection. 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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-31)
Published: 2021-02-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

epson:iprojection

References

https://epson.com/Support/wa00935
https://epson.com/wireless-projector-app
https://github.com/FULLSHADE/Kernel-exploits
https://github.com/FULLSHADE/Kernel-exploits/tree/master/EMP_NSAU.sys
https://epson.com/Support/wa00935

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