Vulnerability · Published Apr 7, 2026 · Assigned by NI

CVE-2026-32864Out-of-Bounds Read in mgcore_SH_25_3!aligned_free()

High 7.8

In plain English

A high-severity out-of-bounds read in LabVIEW from NI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 96.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

There is a memory corruption vulnerability due to an out-of-bounds read in mgcore_SH_25_3!aligned_free() 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 VI file. This vulnerability affects NI LabVIEW 2026 Q1 (26.1.0) and prior versions.

Affected products (as reported)

VendorProductVersions
NI LabVIEW 0 – before 23.0.023.1.0 – before 23.3.924.1.0 – before 24.3.625.1.0 – before 25.3.426.1.0 – before 26.1.1

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References