CVE-2026-32861

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

Published: Apr 7, 2026Updated: Jul 24, 2026 Sources: CVE List NVDCWE-787

7.8HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-787

Affected Products

commercial·USaka national instruments

LabVIEWOn-premDev Tool

DevTools & CI / ide-editor

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

Privilege Escalation

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References

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

ni.com

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