CVE-2026-48139
NULL pointer dereference in NI grpc-device data moniker service may crash host (DoS).
Is CVE-2026-48139 being exploited?
Not confirmed. CVE-2026-48139 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.49% probability of exploitation in the next 30 days.
How severe is CVE-2026-48139?
CVE-2026-48139 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-48139?
Yes. A fix has been recorded for CVE-2026-48139. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48139 affect?
CVE-2026-48139 affects NI grpc-device 2.17.0 and earlier. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48139?
Upgrade to patched NI grpc-device when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
DoS: crashes data moniker service via invalid input, disrupting NI grpc-device operations.
Patch when possible
- affected<= 2.17.0
- affected<= 26.3.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.