---
title: "CVE-2026-76485: Cisco NX-OS - Remote Code Execution & Denial of Service"
description: "Cisco NX-OS Software contains a remote code execution and denial of service vulnerability caused by improper input validation in the VXLAN OAM feature, letting unauthenticated remote attackers execute code with root privileges or cause device reloads, exploit requires NGOAM feature enabled."
url: https://panop.io/threat-heartbeat/CVE-2026-76485/
---

# CVE-2026-76485 Cisco NX-OS - Remote Code Execution & Denial of Service

Cisco NX-OS Software contains a remote code execution and denial of service vulnerability caused by improper input validation in the VXLAN OAM feature, letting unauthenticated remote attackers execute code with root privileges or cause device reloads, exploit requires NGOAM feature enabled.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

EPSS

0.51% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-76485)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Denial Of Service

CVSS vector

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

Published

7 October 2026

Updated

15 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Update to the latest Cisco NX-OS Software version with the NGOAM vulnerability fixed.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-76485](https://nvd.nist.gov/vuln/detail/CVE-2026-76485)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ngoam-rce-LWKQ4BU](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ngoam-rce-LWKQ4BU)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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