# CVE-2026-116836: Ubiquiti airMAX M stored XSS privilege escalation

Source: https://junglewise.ai/threats/cve-2026-116836-a-malicious-actor-with-access-to-the-adjacent-network-and-under  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-27. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

CVE-2026-116836 · Severity: high · CVSS 8.8 · Published 2026-10-27

Ubiquiti airMAX M is a wireless access point used to extend network coverage. An attacker on an adjacent network could inject malicious code that escalates their privileges on the device, potentially allowing them to take full control of the access point and intercept network traffic.

Technologies: [Ubiquiti airMAX M](https://junglewise.ai/threats/technologies/ubiquiti-airmax-m). Vendors: [Ubiquiti](https://junglewise.ai/threats/vendors/ubiquiti).

## Quick answers

**Is CVE-2026-116836 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-116836 being exploited in the wild.

**How severe is CVE-2026-116836?** High severity, with a CVSS score of 8.8, published 27 October 2026.

**Which products and versions are affected?** Ubiquiti airMAX M.

**Is there a fix for CVE-2026-116836?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-116836 attacked?** It is attacked from the adjacent network.

**Am I affected by CVE-2026-116836?** Check whether you run Ubiquiti airMAX M. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A Stored Cross-Site Scripting (XSS) vulnerability in airMAX M allows an adjacent-network attacker to inject malicious JavaScript that persists on the device. Under certain conditions, this vulnerability can be exploited to escalate privileges. Successful exploitation grants the attacker elevated access to the device.

## Affected products

- Ubiquiti airMAX M

## Timeline

- 2026-10-27: disclosed

## References

- [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)

## Related threats

- [Ubiquiti airMAX M cross-site request forgery](https://junglewise.ai/threats/cve-2026-116839-a-malicious-actor-who-lures-an-authenticated-user-to-a-malicious)
- [Ubiquiti airMAX M CSRF leading to command injection](https://junglewise.ai/threats/cve-2026-116838-a-malicious-actor-who-lures-an-authenticated-user-to-a-malicious)
- [Ubiquiti airMAX and Solar devices heap buffer overflow](https://junglewise.ai/threats/cve-2026-116837-a-malicious-actor-with-access-to-the-adjacent-network-could)