CVE-2026-64203

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

HIGH
7.8
CVSS Score
Published: August 25, 2026 at 04:48 PM UTC
Updated: September 3, 2026 at 03:14 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 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.

Affected

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

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:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

7.8HIGHNI
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125CWE-787

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