CVE-2026-32864 Out-of-Bounds Read in mgcore_SH_25_3!aligned_free()
An out-of-bounds read in NI LabVIEW allows attackers to disclose information or execute code by tricking users into opening a malicious VI file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-32864?
CVE-2026-32864 is a high-severity memory corruption vulnerability in NI LabVIEW, published on 7 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-125
Which versions are affected by CVE-2026-32864?
It affects 1 product.
Products include Ni Labview.
How do I fix CVE-2026-32864?
No fix has been published for CVE-2026-32864 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-32864 being exploited?
There is no known exploitation of CVE-2026-32864 in the wild and no public exploit code.
Other vulnerabilities in NI LabVIEW
- CVE-2013-5022 Path traversal in n/a
- CVE-2026-16233 Out-of-Bounds Write Vulnerability in NI LabVIEW when loading VI
- CVE-2026-16234 Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
- CVE-2026-64201 Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
- CVE-2026-64202 Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
Sources
Also known as GHSA-wrgr-w7jm-w6cc.