CVE-2026-32861

HIGH

Out-of-Bounds Write Vulnerability in NI LabVIEW when loading lvclass file

Title source: cna

Description

There is a memory corruption vulnerability due to an out-of-bounds write when loading a corrupted LVCLASS file in NI LabVIEW. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted .lvclass file. This vulnerability affects NI LabVIEW 2026 Q1 (26.1.0) and prior versions.

References (1)

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/lv-class-file-parsing-memory-corruption-vulnerability-in-ni-labview.html

Scores

CVSS v3 7.8

EPSS 0.0002

EPSS Percentile 5.7%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (10)

ni/labview 2023 q1 (10 CPE variants)

ni/labview 2024 (9 CPE variants)

ni/labview 2025 q1 (8 CPE variants)

ni/labview 2026 q1

ni/labview < 2022

NI/LabVIEW < 23.0.0

NI/LabVIEW 23.1.0 - 23.3.9

NI/LabVIEW 24.1.0 - 24.3.6

NI/LabVIEW 25.1.0 - 25.3.4

NI/LabVIEW 26.1.0 - 26.1.1

Published Apr 07, 2026

Tracked Since Apr 08, 2026