CVE-2025-33248 HIGH

CVE-2025-33248

Vendor Nvidia
Product Megatron LM
Weakness CWE-502 · Unsafe deserialization
Published March 24, 2026
Last update March 25, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

NVIDIA Megatron-LM contains a vulnerability in the hybrid conversion script where an Attacker may cause an RCE by convincing a user to load a maliciously crafted file. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.

Key dates

02Disclosure timeline

March 24, 2026 CVE published
March 25, 2026 Record updated