CVE-2026-64202

Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI

State: Published
Severity: 8.5 High
Published: Aug 25, 2026
Updated: Aug 26, 2026
Reserved: Jul 19, 2026

Description

There is a memory corruption vulnerability recently discovered in NI LabVIEW that may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI. This vulnerability affects NI LabVIEW 2026 Q3 (26.3.0) and prior versions.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	NI
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	NI

Weaknesses

CWE-125 Out-of-bounds read

Affected Products

Product	Versions
LabVIEWNI	before 23.0.0Affected 23.1.0 to before 23.3.10Affected 24.1.0 to before 24.3.7Affected 25.1.0 to before 25.3.5Affected 26.1.0 to before 26.3.1Affected

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/memory-corruption-vulnerabilities-ni-labview.html

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