There is an integer conversion vulnerability resulting in an out-of-bounds read when loading images recently discovered in NI LabVIEW. This 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 Q3 and prior versions.
CVE-2026-18444
MEDIUMPre-NVD 6.66.6—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.6 from GitHub Security Advisory published 2026-08-25. a secondary CVSS source baseline 6.6; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
6.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 6.6Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.6
- EG Score
- 6.6(high)
- EG Risk
- 30(Track)EG Risk 30/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity66% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
August 25, 2026
Last Modified
August 25, 2026
Advisory Details (1)
Auto-updated Aug 25, 2026No patch confirmed yet.
generic
Integer Conversion Vulnerability Resulting in an Out of Bounds Read in NI LabVIEW - NI
https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/integer-conversion-vulnerability-resulting-in-an-out-of-bounds-read-in-ni-labview.htmlVendor Advisories for CVE-2026-18444(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-25 20:23 UTCEG score recompute
- 2026-08-25 20:23 UTCGHSA enrichment
- 2026-08-25 19:51 UTCEG score recompute
- 2026-08-25 19:50 UTCGHSA enrichment
- 2026-08-25 17:25 UTCEG score recompute
- 2026-08-25 16:25 UTCEG score recompute
- 2026-08-25 16:24 UTCMITRE cvelistV5first tracked
Frequently asked(4)
What is CVE-2026-18444?
CVE-2026-18444 is a medium vulnerability published on August 25, 2026. There is an integer conversion vulnerability resulting in an out-of-bounds read when loading images recently discovered in NI LabVIEW. This may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI…
When was CVE-2026-18444 disclosed?
CVE-2026-18444 was first published in the National Vulnerability Database on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-18444?
CVE-2026-18444 has a CVSS v3 base score of 6.6 (NVD).
How do I remediate CVE-2026-18444?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18444, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-18444
Is Your Infrastructure Affected by CVE-2026-18444?
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