CVE-2026-61771

7.8 HIGH 0.4% exploit odds No fix listed Code execution

What it is

NVIDIA Megatron Bridge contains a vulnerability where an attacker could cause a deserialization of untrusted data. A successful exploit of this vulnerability might lead to code execution, data tampering, and information disclosure.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-09-01 16:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-02 12:32 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-01 16:17 UTC
Last modified: 2026-09-02 12:32 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-502 · Unsafe deserialization
Record status: Analyzed

Affected

Nvidia Nemo Megatron Bridge < 0.5.1

Attack profile CVSS 3.1 · 7.8

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Download Square Reddit

References

NVD record · CVE.org record