CVE-2026-32861 — Out-of-Bounds Write Vulnerability in NI LabVIEW when loading lvclass file

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
NI / LabVIEW	affected 0 before 23.0.0; affected 23.1.0 before 23.3.9; affected 24.1.0 before 24.3.6; affected 25.1.0 before 25.3.4; affected 26.1.0 before 26.1.1

CWE

CWE-787

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.