Out-of-Bounds Write Vulnerability in NI LabVIEW when loading lvclass file
Summary
| CVE | CVE-2026-32861 |
|---|---|
| State | PUBLISHED |
| Assigner | NI |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-07 20:16:24 UTC |
| Updated | 2026-04-13 14:55:18 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 8.5 HIGH from [email protected]
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.000200000 probability, percentile 0.054140000 (date 2026-04-15)
Problem Types: CWE-787 | CWE-787 CWE-787 Out-of-bounds write
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 8.5 | HIGH | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 8.5 | HIGH | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 3.1 | [email protected] | Secondary | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
CVSS v4.0 Breakdown
Attack Vector
LocalAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
PassiveConfidentiality
HighIntegrity
HighAvailability
HighSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Ni | Labview | 2023 | q1 | All | All |
| Application | Ni | Labview | 2023 | q3 | All | All |
| Application | Ni | Labview | 2023 | q3_patch1 | All | All |
| Application | Ni | Labview | 2023 | q3_patch2 | All | All |
| Application | Ni | Labview | 2023 | q3_patch3 | All | All |
| Application | Ni | Labview | 2023 | q3_patch4 | All | All |
| Application | Ni | Labview | 2023 | q3_patch5 | All | All |
| Application | Ni | Labview | 2023 | q3_patch6 | All | All |
| Application | Ni | Labview | 2023 | q3_patch7 | All | All |
| Application | Ni | Labview | 2023 | q3_patch8 | All | All |
| Application | Ni | Labview | 2024 | - | All | All |
| Application | Ni | Labview | 2024 | q1 | All | All |
| Application | Ni | Labview | 2024 | q1_patch1 | All | All |
| Application | Ni | Labview | 2024 | q3 | All | All |
| Application | Ni | Labview | 2024 | q3_patch1 | All | All |
| Application | Ni | Labview | 2024 | q3_patch2 | All | All |
| Application | Ni | Labview | 2024 | q3_patch3 | All | All |
| Application | Ni | Labview | 2024 | q3_patch4 | All | All |
| Application | Ni | Labview | 2024 | q3_patch5 | All | All |
| Application | Ni | Labview | 2025 | q1 | All | All |
| Application | Ni | Labview | 2025 | q1_patch1 | All | All |
| Application | Ni | Labview | 2025 | q1_patch2 | All | All |
| Application | Ni | Labview | 2025 | q1_patch3 | All | All |
| Application | Ni | Labview | 2025 | q3 | All | All |
| Application | Ni | Labview | 2025 | q3_patch1 | All | All |
| Application | Ni | Labview | 2025 | q3_patch2 | All | All |
| Application | Ni | Labview | 2025 | q3_patch3 | All | All |
| Application | Ni | Labview | 2026 | q1 | All | All |
| Application | Ni | Labview | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | NI | LabVIEW | affected 23.0.0 semver | Not specified |
| CNA | NI | LabVIEW | affected 23.1.0 23.3.9 semver | Not specified |
| CNA | NI | LabVIEW | affected 24.1.0 24.3.6 semver | Not specified |
| CNA | NI | LabVIEW | affected 25.1.0 25.3.4 semver | Not specified |
| CNA | NI | LabVIEW | affected 26.1.0 26.1.1 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.ni.com/en/support/security/available-critical-and-security-updates-f... | [email protected] | www.ni.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Rocco Calvi (@TecR0c) with TecSecurity (en)
CNA: TrendAI Zero Day Initiative (en)
There are currently no legacy QID mappings associated with this CVE.