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TI-2026-71784 Aliases CVE-2026-65180GHSA-42r9-xwp2-pv6v

Checkpoint loading flaw in NVIDIA Megatron-LM allows code execution

Priority LOW 36CWE-502Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

NVIDIA Megatron-LM from 0 to 16.9 contains a deserialization flaw in checkpoint loading (CWE-502), where untrusted data is deserialized. An attacker who convinces a user to load a maliciously crafted file can execute code, escalate privileges, disclose information and tamper with data.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0023 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NVIDIAMegatron-LM0 to 16.9—No fix listedCNA
  • Megatron-LM VendorNVIDIA Affected 0 to 16.9 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:*——NVIDIA
  • cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:* Versions — — ·NVIDIA

Remediation

The sources list no fixed version for NVIDIA Megatron-LM.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-65180
  2. 2026-10-13 Alias added: GHSA-42r9-xwp2-pv6v

References

  • TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
  • TI-2025-17134 Time-of-check time-of-use race condition in NVIDIA Container Toolkit CVSS 3.1HIGH 8.3
  • TI-2024-00121 Time-of-check time-of-use race condition in NVIDIA Container Toolkit CVSS 3.1CRITICAL 9.0
  • TI-2024-00076 NVIDIA Triton Inference Server for Linux contains a vulnerability where a user can set… CVSS 3.1CRITICAL 9.0
  • TI-2018-02664 Observable discrepancy in Intel Multiple CVSS 3.1MEDIUM 5.5
  • TI-2023-23747 PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers… CVSS 3.1MEDIUM 5.3
See all 1247 →

Sources