# CVE-2026-48137

## Summary

- **CVE ID:** CVE-2026-48137
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-822
- **Published:** Jun 19, 2026
- **Last Modified:** Jun 22, 2026

## Description

There is an untrusted pointer dereference vulnerability in the NI grpc-device sideband streaming API that may allow an attacker to cause an arbitrary memory dereference, potentially resulting in remote code execution.  Successful exploitation requires an attacker  to supply a specially crafted Moniker protobuf message.  This affects NI grpc-device 2.17.0 and prior versions.

## Affected Products

- NI — grpc-device (0)
- NI — InstrumentStudio (0)

## References

- [CNA](https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html)
- [CNA](https://github.com/ni/grpc-device/security/advisories/GHSA-ww59-ghm9-mm63)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.80%
- **EPSS Percentile:** 54.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._