CVE-2026-18444 — Integer Conversion Vulnerability Resulting in an Out of Bounds Read in NI LabVIEW

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.

Published Aug 25, 2026Updated Aug 25, 2026Sources: cvelistV5, NI

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

chance of exploitation in 30 days

Affects

labview

CVSS base

6.6

MEDIUM

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

Products (1)

labview

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Source
6.6	CVSS 3.1	MEDIUM	—	—	cvelistV5

Weakness & attack patterns

CWE-195

References

1 on the record

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
reference

Elsewhere on this site

nievery CVE for this vendor
CWE-195other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.