CVE-2025-64461: Out of Bounds Write in mgocre_SH_25_3!RevBL() in NI LabVIEW

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: 2025-12-18 · updated 2026-06-17
Weakness: CWE-787

Description

There is an out of bounds write vulnerability in NI LabVIEW in mgocre_SH_25_3!RevBL() when parsing a corrupted VI file. 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 VI. This vulnerability affects NI LabVIEW 2025 Q3 (25.3) and prior versions.

Affected products

NI LabVIEW: 2022-q1, 2022-q3, 2022-q3_patch1, 2022-q3_patch2, 2022-q3_patch4, 2022-q3_patch5 (+25)

References

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

Get alerted when CVE-2025-64461 or the next vulnerability affects your stack