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CVE-2026-18445

Integer Overflow Vulnerability Resulting in an Out of Bounds Write in NI LabVIEW

HIGH
7.8
CVSS Score
Published: August 25, 2026 at 04:15 PM UTC
Updated: September 8, 2026 at 02:41 PM UTC
1 product affected across 1 vendorLabVIEW

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

There is an integer overflow vulnerability resulting in an out-of-bounds write recently discovered in NI LabVIEW.  This may result in information disclosure or arbitrary code execution.  Successful exploitation requires an attacker to get a user to open a specially crafted VI file.  This vulnerability affects NI LabVIEW 2026 Q3 and prior versions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

LabVIEW· Ni
95%
v ≤ 2022v < 23.0.023.1.0 ≤ v < 23.3.1024.1.0 ≤ v < 24.3.725.1.0 ≤ v < 25.3.526.1.0 ≤ v < 26.3.12023 q12023 q32023 q3_patch12023 q3_patch22023 q3_patch32023 q3_patch42023 q3_patch52023 q3_patch62023 q3_patch72023 q3_patch82023 q3_patch920242024 q12024 q1_patch12024 q32024 q3_patch12024 q3_patch22024 q3_patch32024 q3_patch42024 q3_patch52024 q3_patch62025 q12025 q1_patch12025 q1_patch22025 q1_patch32025 q32025 q3_patch12025 q3_patch22025 q3_patch32025 q3_patch42026 q12026 q1_patch12026 q1_patch22026 q323.1.024.1.025.1.026.1.0
Affected range stops below 23.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.3.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 24.3.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 25.3.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 26.3.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

PatchVendor Advisory
Source: cverecord
https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/integer-overflow-vulnerability-resulting-in-an-out-of-bounds-write-in-ni-labview.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-190

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