---
title: "CVE-2026-116836: airMAX M - Stored XSS"
description: "airMAX M devices contain a stored XSS vulnerability caused by improper input sanitization, letting attackers on adjacent networks escalate privileges on the device, exploit requires network adjacency."
url: https://panop.io/threat-heartbeat/CVE-2026-116836/
---

# CVE-2026-116836 airMAX M - Stored XSS

airMAX M devices contain a stored XSS vulnerability caused by improper input sanitization, letting attackers on adjacent networks escalate privileges on the device, exploit requires network adjacency.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-116836)

## Details

Type

Stored XSS

Impact

Privilege Escalation

CVSS vector

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

Published

27 October 2026

Updated

27 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to the latest version of airMAX M devices.

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-2026-116836](https://nvd.nist.gov/vuln/detail/CVE-2026-116836)
- [https://uisp.community.ui.com/releases/Security-Advisory-Bulletin-071/7d4d42cf-09e4-44d3-9c19-649cac8c6af3](https://uisp.community.ui.com/releases/Security-Advisory-Bulletin-071/7d4d42cf-09e4-44d3-9c19-649cac8c6af3)

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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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