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CVE-2026-16233· NVD / CVE Program· CNA NI

Out-of-Bounds Write Vulnerability in NI LabVIEW when loading VI

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.

HighCVSS 8.5 · v4.0—No exploit Fix available
Published
Aug 25, 2026
Updated
Sep 8, 2026
EPSS
0.1% · 2th percentile
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Action score

34

Monitor

Low priority for now.

CVSS
34 / 40 · 8.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · NI
7.8
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
nilabview

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • ni labviewup to 2022 inclusive
  • ni labview2023
  • ni labview2024
  • ni labview2025
  • ni labview2026

Versions reported by the vendor

Affected version ranges reported by the assigning authority (NI). Independent of NVD's CPE analysis and usually ahead of it.

  • NI LabVIEW

    • before 23.0.0affected · semver
    • 23.1.0 and later · before 23.3.10affected · semver
    • 24.1.0 and later · before 24.3.7affected · semver
    • 25.1.0 and later · before 25.3.5affected · semver
    • 26.1.0 and later · before 26.3.1affected · semver

Same product

ni: all records

Other highest-scoring records for the same primary product.

  • CVE-2013-5022Absolute path traversal vulnerability in the 3D Graph ActiveX control in cw3dgrph.ocx in National Instruments LabWindows/CVI 2012 SP1 and ea
    41Plan
  • CVE-2013-5021Multiple absolute path traversal vulnerabilities in National Instruments cwui.ocx, as used in National Instruments LabWindows/CVI 2012 SP1 a
    38Monitor
  • CVE-2025-7848Missing input check in lvpict.cpp used in NI LabVIEW
    36Monitor
  • CVE-2026-64204Out-of-Bounds Write Vulnerability in NI LabVIEW when loading VI
    34Monitor
  • CVE-2026-64203Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
    34Monitor
  • CVE-2026-64202Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
NI LabVIEW23.0.0Vendor (CNA)
NI LabVIEW23.3.10Vendor (CNA)
NI LabVIEW24.3.7Vendor (CNA)
NI LabVIEW25.3.5Vendor (CNA)
NI LabVIEW26.3.1Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-642040 days apartOut-of-Bounds Write Vulnerability in NI LabVIEW when loading VI
    34Monitor
  • CVE-2026-32860140 days apartOut-of-Bounds Write Vulnerability in NI LabVIEW when loading lvlib file
    34Monitor
  • CVE-2026-32861140 days apartOut-of-Bounds Write Vulnerability in NI LabVIEW when loading lvclass file
    34Monitor
  • CVE-2026-32862140 days apartOut-of-Bounds Write in ResFileFactory::InitResourceMgr()
    34Monitor
  • CVE-2025-64461250 days apartOut of Bounds Write in mgocre_SH_25_3!RevBL() in NI LabVIEW
    34Monitor
  • CVE-2025-2631503 days apartOut of Bounds Write Vulnerability in NI LabVIEW in InitCPUInformation()
    34Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
P
Scope
X

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records