PatchTheCVECVE-2026-32861: There is a memory corruption vulnerability due to an out-of-bounds write when loading a corrupted LVCLASS file
CVE-2026-32861 is a high-severity flaw (CVSS 7.8) affecting labview. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
There is a memory corruption vulnerability due to an out-of-bounds write when loading a corrupted LVCLASS file in NI LabVIEW. 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 .lvclass file. This vulnerability affects NI LabVIEW 2026 Q1 (26.1.0) and prior versions.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 88%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2026-04-07 |
| Last modified | 2026-07-24 |
Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-32861?
labview: upgrade to newer than 2022. Exact commands for each OS are on this page.
Is CVE-2026-32861 being exploited?
CVE-2026-32861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-32861 affect?
CVE-2026-32861 affects labview. Severity is high (CVSS 7.8). There is a memory corruption vulnerability due to an out-of-bounds write when loading a corrupted LVCLASS file in NI LabVIEW. This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requ
How urgent is CVE-2026-32861?
Priority 30/100. High severity
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