VulnerabilityAwaiting Analysis

CVE-2026-77827

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'.

HIGH 8.4EPSS 0.17%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 4.0: 8.4 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.17% probability · 6th percentile
CISA KEV: Not listed
Weakness: CWE-428
Source: 9119a7d8-5eab-497f-8521-727c672e3725

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.