CVE-2026-18444: CWE-195 Signed to unsigned conversion error in NI LabVIEW
Description
CVE-2026-18444 is an integer conversion vulnerability in NI LabVIEW that causes an out-of-bounds read when loading images. This flaw may lead to information disclosure or arbitrary code execution if a user opens a specially crafted VI file. The vulnerability affects NI LabVIEW 2026 Q3 and earlier versions. The CVSS score is 6.6, indicating medium severity. No official patch or remediation guidance is currently available from the vendor. Exploitation requires user interaction and local access.
CVSS v3.1
Score 6.6medium
Affected software
NI
LabVIEW
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-18444) involves a signed to unsigned integer conversion error (CWE-195) in NI LabVIEW, which results in an out-of-bounds read during image loading. Successful exploitation requires an attacker to trick a user into opening a malicious VI file, potentially causing information disclosure or arbitrary code execution. The affected versions include NI LabVIEW 2026 Q3 and prior releases. No vendor advisory or patch information is provided at this time.
Potential Impact
The vulnerability can lead to information disclosure or arbitrary code execution on affected systems if exploited. Exploitation requires user interaction (opening a crafted VI file) and local access. The CVSS 3.1 base score of 6.6 reflects a medium severity with low attack complexity and no privileges required but user interaction needed.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, users should avoid opening VI files from untrusted sources to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- NI
- Date Reserved
- 2026-07-30T22:06:03.338Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a8dc15dacd9273b496e497e
Added to database: 08/25/2026, 16:22:53 UTC
Last enriched: 09/07/2026, 15:45:44 UTC
Last updated: 10/10/2026, 18:48:17 UTC
Views: 41
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.