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VulnerabilityPublished

CVE-2026-32861: NI LabVIEW · Out-of-bounds Write

Affects NI LabVIEWSource CVE Database V5

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Not known to be exploited · CVSS 7.8 High · fixed in 26.1.1 : patch NI LabVIEW soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 26.1.1, 25.3.4, 24.3.6 +2
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
NILabVIEWAffected
  • >=26.1.0 <26.1.1
Fixed in
  • 26.1.1
NILabVIEWAffected
  • >=25.1.0 <25.3.4
Fixed in
  • 25.3.4
NILabVIEWAffected
  • >=24.1.0 <24.3.6
Fixed in
  • 24.3.6
NILabVIEWAffected
  • >=23.1.0 <23.3.9
Fixed in
  • 23.3.9
NILabVIEWAffected
  • <23.0.0
Fixed in
  • 23.0.0

AI-suggested

If you cannot patch yet, users should avoid opening .lvclass files from untrusted or unknown sources to mitigate risk.

Description

CVE-2026-32861 is a high-severity memory corruption vulnerability in NI LabVIEW affecting versions up to 26.1.0. It arises from an out-of-bounds write when loading a corrupted LVCLASS file, potentially allowing information disclosure or arbitrary code execution. Exploitation requires user interaction to open a maliciously crafted . lvclass file.

References

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