NVIDIA DGX Spark System Firmware out-of-bounds write

Summaryinfo

A vulnerability has been found in NVIDIA DGX Spark and classified as very critical. Impacted is an unknown function of the component System Firmware. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2026-24262. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability was found in NVIDIA DGX Spark (the affected version unknown). It has been declared as very critical. Affected by this vulnerability is an unknown part of the component System Firmware. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA DGX Spark contains a vulnerability in the system firmware, where a privileged attacker could be able to cause an out-of-bounds write. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, denial of service, information disclosure, and data tampering.

This vulnerability is known as CVE-2026-24262 since 01/21/2026. The exploitation appears to be easy. An attack has to be approached locally. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/25/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• NVIDIA

Name

• DGX Spark

License

• commercial

Website

• Vendor: https://www.nvidia.com/

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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