Is there a public exploit for CVE-2026-18444?

No public exploit for CVE-2026-18444 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-18444?

CVE-2026-18444 scores CVSS 6.9 (v4.0), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.18%.

What does CVE-2026-18444 affect?

CVE-2026-18444 affects NI LabVIEW.

6.9 Medium

There is an integer conversion vulnerability resulting in an out-of-bounds read when loading images recently discovered in NI LabVIEW.

CVE-2026-18444

There is an integer conversion vulnerability resulting in an out-of-bounds read when loading images 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.

Assessment

CVSS: 6.9 (v4.0)
Severity: Medium
EPSS: 0.18% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 25 August 2026
Last updated: 4 November 2026
Affected: NI · LabVIEW
Assigner: NI

CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/integer-conversion-vulnerability-resulting-in-an-out-of-bounds-read-in-ni-labview.html

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