Code execution via aligned_free out-of-bounds read
Published Apr 7, 2026 · Updated Apr 7, 2026
Out-of-bounds read in NI LabVIEW 2026 Q1 and earlier allows context-dependent attackers to execute code via a crafted VI file. The mgcore_SH_25_3!aligned_free() routine reads beyond an allocation boundary while LabVIEW processes attacker-controlled VI data. Exploitation requires a user to open the file, after which the flaw exposes process memory or executes arbitrary code in that user's context.
Summary
What happened
Out-of-bounds read in NI LabVIEW 2026 Q1 and earlier allows context-dependent attackers to execute code via a crafted VI file. The mgcore_SH_25_3!aligned_free() routine reads beyond an allocation boundary while LabVIEW processes attacker-controlled VI data. Exploitation requires a user to open the file, after which the flaw exposes process memory or executes arbitrary code in that user's context.
The record
- CVE
- CVE-2026-32864
- Published
- Apr 7, 2026
- Updated
- Apr 7, 2026
- Vendor
- National Instruments
- Product
- LabVIEW
- Classifications
- CWE-125, T1204.002
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Apr 7, 2026CVE publishedPublication date reported by the CVE source.
- Apr 7, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <23.0.0
- Affected versionversion=23.1.0 <23.3.9
- Affected versionversion=24.1.0 <24.3.6
- Affected versionversion=25.1.0 <25.3.4
- Affected versionversion=26.1.0 <26.1.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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