CVE-2026-77827 Maono Link local privilege escalation

High 8.4 Published Updated

Local attackers can escalate privileges via improper write permissions in the Maono Link Windows service directory.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-77827?

CVE-2026-77827 is a high-severity vulnerability in Maono Link, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-428

Which versions are affected by CVE-2026-77827?

How do I fix CVE-2026-77827?

No fix has been published for CVE-2026-77827 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-77827 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-77827 exists.

Sources

Also known as GHSA-gx86-6f2h-rhf6.

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