SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-48137

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.

CRITICAL 9.3EPSS 0.80%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.80%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 4.0
9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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/M
EPSS
0.80% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-822
Affected
ni/instrumentstudio · ni/ni grpc device server
Source
security@ni.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.