CVE-2025-33247 PUBLISHED

Assigner: nvidia
Reserved: 15.04.2025 Published: 24.03.2026 Updated: 25.03.2026

NVIDIA Megatron LM contains a vulnerability in quantization configuration loading, which could allow remote code execution. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 7.8

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	NVIDIA
Product	Megatron LM
Versions	Default: unaffected Version All versions prior to 0.15.3 is affected

References

https://nvd.nist.gov/vuln/detail/CVE-2025-33247
https://www.cve.org/CVERecord?id=CVE-2025-33247
https://nvidia.custhelp.com/app/answers/detail/a_id/5769

Problem Types

CWE-502 Deserialization of Untrusted Data CWE

Impacts

Code Execution, Escalation of Privileges, Data Tampering, Information Disclosure