Deserialization in NVIDIA Megatron-Lm

CVE-2026-65180

NVIDIA Megatron-LM contains a vulnerability in checkpoint loading 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.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-65180?
CVE-2026-65180 is a high-severity vulnerability in NVIDIA Megatron-Lm, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2026-10-13.
How severe is CVE-2026-65180?
High severity. CVSS v3 base score is 7.8 out of 10.