What’s Vulnerable › Vulnerabilities

CVE-2025-33248

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-24 · updated 2026-06-17
• Weakness: CWE-502

Description

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.

Affected products

• NVIDIA Megatron-LM: before 0.15.3 — fixed in 0.15.3

How to fix

Upgrade to a fixed version: NVIDIA Megatron-LM 0.15.3. Check the vendor advisory for mitigations.

References

• https://nvd.nist.gov/vuln/detail/CVE-2025-33248
• https://nvidia.custhelp.com/app/answers/detail/a_id/5769
• https://www.cve.org/CVERecord?id=CVE-2025-33248

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