CVE-2026-18445

HighCVSS 7.8/10Last modified Sep 8, 2026

Description

There is an integer overflow vulnerability resulting in an out-of-bounds write recently discovered in NI LabVIEW. This may result in information disclosure or arbitrary code execution.  Successful exploitation requires an attacker to get a user to open a specially crafted VI file.  This vulnerability affects NI LabVIEW 2026 Q3 and prior versions.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

Vendor	Product	Versions
NI	LabVIEW	< 23.0.0; >= 23.1.0, < 23.3.10; >= 24.1.0, < 24.3.7; >= 25.1.0, < 25.3.5; >= 26.1.0, < 26.3.1

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/integer-overflow-vulnerability-resulting-in-an-out-of-bounds-write-in-ni-labview.htmlPatch, Vendor Advisory

Timeline

Published: Aug 25, 2026
Last modified: Sep 8, 2026
NVD status: Analyzed

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