CVE-2026-47626 Memory corruption in DGX Spark
A privileged attacker can exploit an out-of-bounds write in NVIDIA DGX Spark firmware to execute code, escalate privileges, or disrupt services.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-47626?
CVE-2026-47626 is a high-severity memory corruption vulnerability in NVIDIA DGX Spark, published on 25 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-787
Which versions are affected by CVE-2026-47626?
It affects 1 product.
Products include Nvidia Dgx Spark Uefi.
How do I fix CVE-2026-47626?
No fix has been published for CVE-2026-47626 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-47626 being exploited?
There is no known exploitation of CVE-2026-47626 in the wild and no public exploit code.
Other vulnerabilities in NVIDIA DGX Spark
Sources
Also known as GHSA-3c69-p2q7-658r.