Quick answers
- Is CVE-2026-47626 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-47626 being exploited in the wild.
- How severe is CVE-2026-47626?
- High severity, with a CVSS score of 8.2, published 25 August 2026.
- Which products and versions are affected?
- NVIDIA DGX Spark.
- Is there a fix for CVE-2026-47626?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-47626 attacked?
- It is attacked with local access, in a network appliance.
- Am I affected by CVE-2026-47626?
- Check whether you run Nvidia Dgx Spark or Nvidia Dgx Spark Uefi. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an out-of-bounds write in DGX Spark's system firmware that requires privileged attacker access. This memory safety defect occurs in the firmware layer, a critical component that runs at the highest privilege level before the operating system. A successful exploit can lead to code execution at firmware level, privilege escalation, denial of service, information disclosure, and data tampering. The attack surface is limited to privileged users or accounts with direct hardware access, reducing but not eliminating risk in multi-tenant or untrusted personnel scenarios. Patched firmware versions should be available through NVIDIA's security updates.
Affected products
- NVIDIA DGX Spark
Timeline
- 2026-08-25: disclosed