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Vulnerability record · CVE-2026-48139 · published 19 June 2026

CVE-2026-48139: Ni instrumentstudio null pointer dereference vulnerability

NNi · Instrumentstudio

There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash.  Successful exploitation requires an attacker to provide an unknown value to the data moniker service. This affects NI grpc-device 2.17.0 and prior versions.

8.7 CVSS 4.0 High EPSS 0.49% · top 60.5% CWE-476 · NULL pointer dereference
8.7CVSS 4.0 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
25 Jun 2026Last modified by NVD

Description

There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash.  Successful exploitation requires an attacker to provide an unknown value to the data moniker service. This affects NI grpc-device 2.17.0 and prior versions.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ni/grpc-device/security/advisories/GHSA-7vg9-5c74-289x Vendor Advisory
https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabili Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2026-9142Ni instrumentstudio missing authentication for critical function vulnerabilityThere is an insecure default credentials vulnerability in NI grpc-device when TLS configuration is not present and the server is bound beyond loopbac…EPSS 0.43%9.3CVE-2026-48137Ni instrumentstudio vulnerabilityThere is an untrusted pointer dereference vulnerability in the NI grpc-device sideband streaming API that may allow an attacker to cause an arbitrary…EPSS 0.80%8.7CVE-2026-48138Ni instrumentstudio out-of-bounds read vulnerabilityThere is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check that may result in a denial of service…EPSS 0.49%7.1CVE-2026-48140Ni instrumentstudio vulnerabilityThere is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and und…EPSS 0.45%6.3CVE-2026-9143Ni instrumentstudio vulnerabilityThere is an incorrect conversion between numeric types vulnerability in NI grpc-device due to missing range checks in CodeGen.  This may silently dis…EPSS 0.30%6.0CVE-2026-48141Ni instrumentstudio memory leak vulnerabilityThere is a memory leak in NI grpc-device BeginSidebandStream that may result in denial of service due to memory exhaustion.  This affects NI grpc-dev…EPSS 0.42%6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2026-48139), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.