CVE-2026-24263: NVIDIA DGX Spark NULL pointer dereference in firmware

CVE-2026-24263 · Severity: high · CVSS 8.2 · Published 2026-08-25

NVIDIA DGX Spark is a high-performance data processing system used for enterprise AI and machine learning workloads. A firmware vulnerability allows a privileged attacker to cause a NULL pointer dereference, potentially leading to system crashes, unauthorized code execution, or data tampering. This could compromise the integrity and availability of critical data processing operations.

Technologies: Nvidia Dgx Spark, Nvidia Dgx Spark Uefi. Vendors: Nvidia.

Quick answers

Is CVE-2026-24263 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-24263 being exploited in the wild.
How severe is CVE-2026-24263?
High severity, with a CVSS score of 8.2, published 25 August 2026.
Which products and versions are affected?
Nvidia Dgx Spark <UNKNOWN>.
Is there a fix for CVE-2026-24263?
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-2026-24263 attacked?
It is attacked with local access.
Am I affected by CVE-2026-24263?
Check whether you run Nvidia Dgx Spark or Nvidia Dgx Spark Uefi at an affected version. 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

A NULL pointer dereference vulnerability exists in the NVIDIA DGX Spark system firmware, requiring privileged attacker access to exploit. The vulnerability can be triggered to cause code execution, privilege escalation, denial of service, information disclosure, and data tampering. Attack requires elevated privileges and direct or local access to the system firmware layer. A patch is expected from NVIDIA as part of their regular security bulletin program.

Affected products

  • NVIDIA DGX Spark <UNKNOWN>

Timeline

  • 2026-08-25: disclosed

References

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