There is an integer overflow vulnerability resulting in an out-of-bounds write 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-2026-18445
This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 97% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EG Risk
- 35(Track)EG Risk 35/100SSVC: 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 computedSeverity78% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 3%
- KEV
- Not listed
Published
August 25, 2026
Last Modified
September 8, 2026
Advisory Details (1)
Auto-updated Aug 25, 2026Integer Overflow Vulnerability Resulting in an Out of Bounds Write in NI LabVIEW - NI
https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/integer-overflow-vulnerability-resulting-in-an-out-of-bounds-write-in-ni-labview.htmlVendor Advisories for CVE-2026-18445(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 24× in last 7d / 95× 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.
- 2026-09-20 22:40 UTCEG score recompute
- 2026-09-20 22:39 UTCGHSA enrichment
- 2026-09-20 10:54 UTCGHSA enrichment
- 2026-09-19 23:09 UTCEG score recompute
- 2026-09-19 23:09 UTCGHSA enrichment
- 2026-09-19 11:22 UTCGHSA enrichment
- 2026-09-18 23:37 UTCEG score recompute
- 2026-09-18 23:36 UTCGHSA enrichment
- 2026-09-18 19:27 UTCEPSS rescore
- 2026-09-18 11:50 UTCGHSA enrichment
- 2026-09-18 00:05 UTCEG score recompute
- 2026-09-18 00:05 UTCGHSA enrichment
- 2026-09-17 11:18 UTCGHSA enrichment
- 2026-09-16 23:33 UTCEG score recompute
- 2026-09-16 23:33 UTCGHSA enrichment
- 2026-09-16 14:07 UTCEPSS rescore
- 2026-09-16 11:47 UTCEG score recompute
- 2026-09-16 11:47 UTCGHSA enrichment
- 2026-09-16 05:14 UTCEPSS rescore
- 2026-09-16 00:02 UTCGHSA enrichment
- 2026-09-15 12:16 UTCEG score recompute
- 2026-09-15 12:16 UTCGHSA enrichment
- 2026-09-15 00:29 UTCGHSA enrichment
- 2026-09-14 12:43 UTCGHSA enrichment
- 2026-09-14 00:45 UTCEG score recompute
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- 2026-09-14 00:45 UTCGHSA enrichment
- 2026-09-13 16:46 UTCEPSS rescore
- 2026-09-13 12:59 UTCGHSA enrichment
- 2026-09-13 01:14 UTCEG score recompute
- 2026-09-13 01:14 UTCGHSA enrichment
- 2026-09-12 15:00 UTCEPSS rescore
- 2026-09-12 13:28 UTCGHSA enrichment
- 2026-09-12 01:43 UTCGHSA enrichment
- 2026-09-11 13:58 UTCEG score recompute
- 2026-09-11 13:58 UTCGHSA enrichment
- 2026-09-11 09:36 UTCEPSS rescore
- 2026-09-11 02:12 UTCGHSA enrichment
- 2026-09-10 14:26 UTCEG score recompute
- 2026-09-10 14:26 UTCGHSA enrichment
- 2026-09-10 09:34 UTCEPSS rescore
- 2026-09-10 02:40 UTCGHSA enrichment
- 2026-09-09 14:54 UTCGHSA enrichment
- 2026-09-09 03:08 UTCEG score recompute
- 2026-09-09 03:08 UTCGHSA enrichment
- 2026-09-08 22:00 UTCEPSS rescore
- 2026-09-08 15:23 UTCEG score recompute▲ 1.20
- 2026-09-08 15:22 UTCGHSA enrichment
- 2026-09-08 14:46 UTCNVD updateCVSS v3 → 7.8 · severity → HIGH
- 2026-09-07 16:01 UTCEPSS rescore
- 2026-09-07 15:17 UTCEG score recompute
- 2026-09-07 15:16 UTCGHSA enrichment
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-06 13:28 UTCEG score recompute
- 2026-09-06 13:28 UTCGHSA enrichment
- 2026-09-05 13:50 UTCGHSA enrichment
- 2026-09-04 14:10 UTCEG score recompute
- 2026-09-04 14:10 UTCGHSA enrichment
- 2026-09-04 05:06 UTCEPSS rescore
- 2026-09-03 14:32 UTCGHSA enrichment
- 2026-09-02 14:49 UTCEG score recompute
- 2026-09-02 14:49 UTCGHSA enrichment
- 2026-09-02 14:11 UTCEPSS rescore
- 2026-09-01 15:10 UTCEG score recompute
- 2026-09-01 15:10 UTCGHSA enrichment
- 2026-09-01 13:53 UTCEPSS rescore
- 2026-09-01 04:39 UTCEPSS rescore
- 2026-08-31 15:31 UTCEG score recompute
- 2026-08-31 15:31 UTCGHSA enrichment
- 2026-08-30 20:42 UTCEG score recompute
- 2026-08-30 20:41 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-29 21:04 UTCEG score recompute
- 2026-08-29 21:04 UTCGHSA enrichment
- 2026-08-28 21:41 UTCEPSS rescore
- 2026-08-28 21:25 UTCGHSA enrichment
- 2026-08-28 17:02 UTCGHSA enrichment
- 2026-08-27 17:20 UTCEG score recompute
- 2026-08-27 17:20 UTCGHSA enrichment
- 2026-08-27 17:14 UTCEG score recompute
- 2026-08-27 17:14 UTCGHSA enrichment
- 2026-08-27 15:40 UTCEG score recompute
- 2026-08-27 15:40 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-26 15:59 UTCEG score recompute
- 2026-08-26 15:59 UTCGHSA enrichment
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 04:11 UTCEG score recompute
- 2026-08-26 04:10 UTCGHSA enrichment
- 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
Related CVEs(same CWE)
Same CWE
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Frequently asked(5)
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