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CVE-2025-33247

HIGH CVSS 3.1: 7.8 EPSS 0.24%
Updated Mar 25, 2026
Nvidia
Parameter Value
CVSS 7.8 (HIGH)
Affected Versions before 0.15.3
Fixed In 0.15.3
Type CWE-502 (Deserialization of Untrusted Data)
Vendor Nvidia
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Nvidia Megatron-Lm
cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:*
0.15.3