Vulnerability record · CVE-2026-77827 · published 8 September 2026

CVE-2026-77827: Unquoted search path vulnerability

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.

8.4 CVSS 4.0 High EPSS 0.16% · top 95.4% CWE-428 · Unquoted search path Awaiting Analysis

8.4CVSS 4.0 base score

0.16%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

14 Sep 2026Last modified by NVD

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/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
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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Source: NIST National Vulnerability Database (record CVE-2026-77827), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.