CVE-2026-47626 NVIDIA CVE debrief

Who should care

Defenders responsible for DGX Spark deployments should assess their exposure and potential impact. System administrators and security teams should verify system firmware versions and consider updating if necessary.

Why it matters

CVE-2026-47626 is a high-severity vulnerability in NVIDIA DGX Spark's system firmware that could allow a privileged attacker to cause an out-of-bounds write. Defenders should verify exposure in DGX Spark deployments and assess potential impacts, including code execution, escalation of privileges, denial of service, information disclosure, and data tampering. Specific version information and remediation steps are limited, requiring further verification from official sources.

• Potential code execution requires verification
• Possible escalation of privileges needs assessment
• Denial of service is a supported consequence
• Information disclosure and data tampering are potential impacts

Technical summary

CVE-2026-47626 is a high-severity vulnerability in NVIDIA DGX Spark's system firmware. A privileged attacker could potentially cause an out-of-bounds write, leading to consequences such as code execution, escalation of privileges, denial of service, information disclosure, and data tampering. The vulnerability has a CVSS score of 8.2 and is considered high severity. Defenders should prioritize verifying exposure in DGX Spark deployments and assessing the potential impact on their systems. Specific version information and remediation steps are limited, requiring further verification from official sources.

Defensive priority

Defenders should prioritize verifying exposure in DGX Spark deployments and assessing the potential impact on their systems.

Recommended defensive actions

• Verify DGX Spark deployments for exposure
• Assess potential impact on systems
• Review system firmware versions and update if necessary
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and potential impacts. However, specific version information and remediation steps are limited. Defenders should verify exposure in DGX Spark deployments and assess potential impacts, including code execution, escalation of privileges, denial of service, information disclosure, and data tampering.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.