CVE-2026-48138: Ni Instrumentstudio

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

There is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check that may result in a denial of service. Successful exploitation requires an attacker to supply a specially crafted write request. This affects NI grpc-device 2.17.0 and prior versions.

Affected products

• Ni Instrumentstudio: up to and including 2025; version 2026 only
• Ni Ni Grpc Device Server: before 2.18.0 (fixed in 2.18.0)

Published 2026-06-19. Last modified 2026-06-25.