SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3394

Millennium Millewin (also known as "Cartella clinica") 13.39.028, 13.39.28.3342, and 13.39.146.1 has insecure folder permissions allowing a malicious user for a local privilege escalation.

EXPLOIT ✓HIGH 8.8EPSS 5.79%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 5.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

Millennium Millewin (also known as "Cartella clinica") 13.39.028, 13.39.28.3342, and 13.39.146.1 has insecure folder permissions allowing a malicious user for a local privilege escalation.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
5.79% probability · 93th percentile
Public exploits
1 in Exploit-DB · verified · first 8 February 2021
CISA KEV
Not listed
Weakness
CWE-276
Affected
millewin/millewin
Source
cve@mitre.org
EPSS trend
0%5%10%26 October 2026: 5.79%26 October 202626 October 2026

EPSS 5.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-49530source ↗Millewin 13.39.146.1 - Local Privilege Escalationwindows · Andrea Intilangelolocal8 February 2021yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.