CVE-2026-61771Hinoki check available

Local code execution via untrusted data deserialization

Published Sep 1, 2026 · Updated Sep 1, 2026

Deserialization of untrusted data in NVIDIA Megatron Bridge 0.0 through 0.5.0 allows local users to execute arbitrary code. NVIDIA has not disclosed the affected function, data format, or deserialization operation that processes the untrusted input. Exploitation requires low-privileged local access and can execute code in the affected process, read or alter its data, and interrupt it.

CVSS severity7.8
High
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Deserialization of untrusted data in NVIDIA Megatron Bridge 0.0 through 0.5.0 allows local users to execute arbitrary code. NVIDIA has not disclosed the affected function, data format, or deserialization operation that processes the untrusted input. Exploitation requires low-privileged local access and can execute code in the affected process, read or alter its data, and interrupt it.

The record

CVE
CVE-2026-61771
Published
Sep 1, 2026
Updated
Sep 1, 2026
Vendor
DPDK Project
Product
Megatron Bridge
Classifications
CWE-502
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0.0 to 0.5.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

DPDK Project · Megatron Bridgeversion=0.0 to 0.5.0

Published CVSS scores

7.8NVIDIACVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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