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Vulnerability record · CVE-2026-47626 · published 25 August 2026

CVE-2026-47626: Nvidia dgx spark uefi out-of-bounds write vulnerability

Nvidia · Dgx Spark Uefi

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.

8.2 CVSS 3.1 High EPSS 0.20% · top 91.2% CWE-787 · Out-of-bounds write
8.2CVSS 3.1 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
9 Sep 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/NVIDIA/product-security/tree/main/2026/5867 Product
https://nvd.nist.gov/vuln/detail/CVE-2026-47626 US Government Resource
https://www.cve.org/CVERecord?id=CVE-2026-47626 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-47626), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.