CVE-2026-77827CWE-428

CVE-2026-77827

High · published September 9, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
4.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
8.4 · 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
EPSS
0.00161 · 4.9th percentile
Weakness
CWE-428 · Unquoted Search Path or Element
Published
2026-09-09T01:18Z
References (3)
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-251-01.json · 9119a7d8-5eab-497f-8521-727c672e3725https://www.cve.org/CVERecord?id=CVE-2026-77827 · 9119a7d8-5eab-497f-8521-727c672e3725https://www.maono.com/products/maono-link-software · 9119a7d8-5eab-497f-8521-727c672e3725
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 20:22Z
    Maono Link local privilege escalation
    cvelistv5