PT-2026-27505 · Nvidia · Nvidia Megatron-Lm

Published 2026-03-24 · Updated 2026-03-25 · CVE-2025-33247

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NVIDIA Megatron LM (affected versions not specified)

Description NVIDIA Megatron LM contains a flaw in how it loads quantization configurations, potentially allowing for remote code execution. Exploitation of this issue could result in code execution, privilege escalation, information disclosure, and data tampering.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

BDU:2026-07618

CVE-2025-33247

Affected Products

Nvidia Megatron-Lm

References · 6

• https://cve.org/CVERecord?id=CVE-2025-33247 · Security Note
• https://bdu.fstec.ru/vul/2026-07618 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-33247 · Security Note
• https://nvidia.custhelp.com/app/answers/detail/a_id/5769 · Vendor Advisory
• https://cve.org/CVERecord?idCVE-2025-33247 · Security Note
• https://twitter.com/VulmonFeeds/status/2036623683758743920 · Twitter Post