#VU126418 Out-of-bounds write in LabVIEW - CVE-2026-32861

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Main Vulnerability Database Vulnerabilities #VU126418

#VU126418 Out-of-bounds write in LabVIEW - CVE-2026-32861

Published: April 17, 2026


Vulnerability identifier: #VU126418
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-32861
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
LabVIEW
Software vendor:
National Instruments

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted LVCLASS file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.

External links