Integer overflow in Ni Labview
CVE-2026-18445
There is an integer overflow vulnerability resulting in an out-of-bounds write 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.
Vulnerability class: Integer Overflow
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-18445?
- CVE-2026-18445 is a medium-severity vulnerability in Ni Labview, classified under Integer Overflow or Wraparound. CVSS score: 6.6/10. Published 2026-08-25.
- How severe is CVE-2026-18445?
- Medium severity. CVSS v3 base score is 6.6 out of 10.