Cyber Resilience

CVE-2026-48138

High

Published: 19 June 2026

Published
19 June 2026
Modified
25 June 2026
KEV Added
—
Patch
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CVSS Score v4 8.7 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:X/V:X/RE:X/U:X
EPSS Score 0.0034 26.3th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-48138 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Ni Instrumentstudio. Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 26.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

There 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. Successful exploitation requires an attacker to supply a specially crafted write request. This affects…

more

NI grpc-device 2.17.0 and prior versions.

CWE(s)
CWE-125

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

Out-of-bounds read in exposed gRPC API directly enables remote exploitation of a public-facing service (T1190) resulting in DoS via crafted request (T1499.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

ni
instrumentstudio
2026 · ≤ 2025
ni
ni grpc device server
≤ 2.18.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References