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CVE-2026-64201: Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-25 · updated 2026-09-03
• Weakness: CWE-125

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.

Affected products

• NI LabVIEW: through 2022; 2023-q1, 2023-q3, 2023-q3_patch1, 2023-q3_patch2, 2023-q3_patch3, 2023-q3_patch4 (+28)

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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