ZDI publishes two NI LabVIEW VI file parsing information disclosure advisories: ZDI-26-631 (CVE-2026-18444) and ZDI-26-630 (CVE-2026-18445)
First merged summary for this story; no previous summary existed. The merge combines two separately published ZDI advisories (ZDI-26-631 and ZDI-26-630) into a single story covering both NI LabVIEW VI file parsing information disclosure vulnerabilities disclosed on 2026-09-09. No new developments beyond the advisory publications are reported.
On 2026-09-09, the Zero Day Initiative published two advisories for NI LabVIEW VI file parsing vulnerabilities that can disclose sensitive information: an out-of-bounds read tracked as CVE-2026-18444 (ZDI-26-631) and an integer overflow tracked as…
The Zero Day Initiative published two advisories on 2026-09-09 describing vulnerabilities in NI LabVIEW's parsing of VI files. Advisory ZDI-26-631 describes an out-of-bounds read vulnerability assigned CVE-2026-18444. Advisory ZDI-26-630 describes an integer overflow vulnerability assigned CVE-2026-18445. In both cases, exploitation can disclose sensitive information and requires user interaction, such as visiting a malicious page or opening a malicious file. ZDI assigned both flaws a CVSS rating of 3.3. The reports do not state affected LabVIEW versions, patched versions, or fixes, and no source disagreements exist between the two advisories.
- Advisory ZDI-26-631 (published 2026-09-09T05:00:00Z) covers an out-of-bounds read in NI LabVIEW's parsing of VI files, tracked as CVE-2026-18444.
- Advisory ZDI-26-630 (published 2026-09-09T05:00:00Z) covers an integer overflow in NI LabVIEW's parsing of VI files, tracked as CVE-2026-18445.
- Both vulnerabilities can disclose sensitive information (information disclosure impact).
- Exploitation of both vulnerabilities requires user interaction, such as visiting a malicious page or opening a malicious file.
- ZDI assigned both flaws a CVSS rating of 3.3.
- The reports do not specify affected LabVIEW versions, patched versions, or vendor fixes.
- Vendors
- NIZero Day Initiative
- Products
- NI LabVIEW
Coverage
oldest first · one row per article · UTCZDI-26-631: NI LabVIEW VI File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
ZDI disclosed CVE-2026-18444, an out-of-bounds read in NI LabVIEW VI file parsing that can disclose sensitive information, rated CVSS 3.3.
ZDI-26-630: NI LabVIEW VI File Parsing Integer Overflow Information Disclosure Vulnerability
ZDI disclosed CVE-2026-18445, an integer overflow in NI LabVIEW VI file parsing that can disclose sensitive information, rated CVSS 3.3.
Vulnerabilities in this story
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
CVE-2026-18444+1 related CVE | Out-of-Bounds Read in NI LabVIEW Image Loading Enables Code Execution via Crafted VI | 6.9 | <1% |