CVE-2025-7849: Memory Corruption Issue in NI LabVIEW due to improper error handling

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-29 · updated 2026-06-17
Weakness: CWE-1285

Description

A memory corruption vulnerability due to improper error handling when a VILinkObj is null exists in NI LabVIEW that may result in arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI. This vulnerability affects NI LabVIEW 2025 Q1 and prior versions.

Affected products

NI LabVIEW: through 2021; 2022-q1, 2022-q3, 2022-q3_patch1, 2022-q3_patch2, 2022-q3_patch4, 2022-q3_patch5 (+17)

References

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

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