How severe is CVE-2026-48140?

CVE-2026-48140 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-48140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48140?

CVE-2026-48140 primarily affects Ni Instrumentstudio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-48140?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-48140 have an EU (EUVD) identifier?

Yes. CVE-2026-48140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38028.

When was CVE-2026-48140 published?

CVE-2026-48140 was published on 2026-06-19 and last updated on 2026-06-25.

CVE-2026-48140

CVE-2026-48140 is a medium-severity vulnerability in Ni Instrumentstudio with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-704.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38028
Weakness: CWE-704
Affected product: Ni Instrumentstudio
Published: 2026-06-19
Last modified: 2026-06-25

Description

There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. This affects NI grpc-device 2.17.0 and prior versions.

Frequently asked questions

What is CVE-2026-48140?: There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. This affects NI grpc-device 2.17.0 and prior versions.
How severe is CVE-2026-48140?: CVE-2026-48140 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-48140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48140?: CVE-2026-48140 primarily affects Ni Instrumentstudio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-48140?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48140 have an EU (EUVD) identifier?: Yes. CVE-2026-48140 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38028.
When was CVE-2026-48140 published?: CVE-2026-48140 was published on 2026-06-19 and last updated on 2026-06-25.

References

Affected products (4)

cpe:2.3:a:ni:instrumentstudio:*:*:*:*:*:*:*:*
cpe:2.3:a:ni:instrumentstudio:2026:q1:*:*:*:*:*:*
cpe:2.3:a:ni:instrumentstudio:2026:q2:*:*:*:*:*:*
cpe:2.3:a:ni:ni_grpc_device_server:*:*:*:*:*:*:*:*

More vulnerabilities in Ni Instrumentstudio

CVE-2026-9142 — Critical (CVSS 9.1): There is an insecure default credentials vulnerability in NI grpc-device when TLS configuration is not present and the…
CVE-2026-48137 — Critical (CVSS 9.1): There is an untrusted pointer dereference vulnerability in the NI grpc-device sideband streaming API that may allow an…
CVE-2026-48139 — High (CVSS 7.5): There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an…
CVE-2026-48138 — High (CVSS 7.5): There is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check that may…
CVE-2026-48141 — Medium (CVSS 5.3): There is a memory leak in NI grpc-device BeginSidebandStream that may result in denial of service due to memory…
CVE-2026-9143 — Low (CVSS 3.7): There is an incorrect conversion between numeric types vulnerability in NI grpc-device due to missing range checks…

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