Out-of-bounds write in LabVIEW - CVE-2026-32861
Published: April 17, 2026
Vulnerability identifier: #VU126418
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2026-32861
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
LabVIEW
How to mitigate CVE-2026-32861
Install updates from vendor's website.
LabVIEW - addressed in versions 2023 Q3 Patch 9, 2024 Q3 Patch 6, 2025 Q3 Patch 4, 2026 Q1 Patch 1