Out-of-bounds Read in Ni Labview
CVE-2026-64203
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.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-64203?
- CVE-2026-64203 is a high-severity vulnerability in Ni Labview, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-08-25.
- How severe is CVE-2026-64203?
- High severity. CVSS v3 base score is 7.8 out of 10.