CVE-2026-77827: Maono Link local privilege escalation

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-08 · updated 2026-09-14
Weakness: CWE-428

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.

Affected products

Maono Link: from 3.8.13 before 4.0.80 — fixed in 4.0.80

How to fix

Upgrade to a fixed version: Maono Link 4.0.80. Check the vendor advisory for mitigations.

References

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

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