CVE-2026-18445: Ni Labview

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

There is an integer overflow vulnerability resulting in an out-of-bounds write recently discovered in NI LabVIEW.  This may result in information disclosure or arbitrary code execution.  Successful exploitation requires an attacker to get a user to open a specially crafted VI file.  This vulnerability affects NI LabVIEW 2026 Q3 and prior versions.

Affected products

• Ni Labview: up to and including 2022; version 2023 only; version 2024 only; version 2025 only; version 2026 only

Published 2026-08-25. Last modified 2026-09-08.