CVE-2026-32861
Memory corruption in LabVIEW via crafted LVCLASS file; potential RCE or info disclosure.
Is CVE-2026-32861 being exploited?
Not confirmed. CVE-2026-32861 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.22% probability of exploitation in the next 30 days.
How severe is CVE-2026-32861?
CVE-2026-32861 is rated High with a CVSS score of 8.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-32861?
Yes. A fix has been recorded for CVE-2026-32861. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-32861 affect?
CVE-2026-32861 affects NI LabVIEW 2026 Q1 (26.1.0) and prior versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-32861?
Patch when released; avoid opening untrusted LVCLASS files
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Requires user to open a crafted .lvclass; may allow arbitrary code execution or information disclosure.
Patch when available
- affected< 23.0.0
- affected>= 23.1.0 and < 23.3.9
- affected>= 24.1.0 and < 24.3.6
- affected>= 25.1.0 and < 25.3.4
- affected>= 26.1.0 and < 26.1.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.