CVE-2026-47471 Memory corruption in TensorRT-LLM

High 7.5 Published Updated

An attacker can trigger a heap buffer overflow in NVIDIA TensorRT-LLM via tensor deserialization, leading to information disclosure, data tampering, or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-47471?

CVE-2026-47471 is a high-severity memory corruption vulnerability in NVIDIA TensorRT-LLM, published on 14 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA TensorRT-LLM for any platform contains a vulnerability in tensor deserialization, where an attacker could cause a heap based buffer overflow. A successful exploit of this vulnerability might lead to information disclosure, data tampering, or denial of service.

Weakness: CWE-122

Which versions are affected by CVE-2026-47471?

How do I fix CVE-2026-47471?

No fix has been published for CVE-2026-47471 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-2026-47471 being exploited?

There is no known exploitation of CVE-2026-47471 in the wild and no public exploit code.

Sources

Also known as GHSA-33qc-w569-hr38.

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