---
id: CVE-2026-77827
title: >-
  Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege
  escalation for a standard user account via improper write privileges in
  'C:\ProgramData\Maono'
summary: >-
  Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege
  escalation for a standard user account via improper write privileges in
  'C:\ProgramData\Maono'. Fixed in 4.0.80.
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-428
vendor: Maono
product: Maono Link
affected:
  - link >= 3.8.13 < 4.0.80
published: '2026-09-08'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T17:17:51.273'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77827'
references:
  - url: >-
      https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-251-01.json
    label: 9119a7d8-5eab-497f-8521-727c672e3725
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-77827'
    label: 9119a7d8-5eab-497f-8521-727c672e3725
  - url: 'https://www.maono.com/products/maono-link-software'
    label: 9119a7d8-5eab-497f-8521-727c672e3725
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-14T16:58:03.913265Z'
epss: 0.00161
epssPercentile: 0.04534
ingestedAt: '2026-09-08T21:11:12.372Z'
---

## Overview

Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\ProgramData\Maono'. Fixed in 4.0.80.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.