CVE-2025-66003

HIGH EPSS 1.6%

Published Jan 8, 20265mo ago · Modified Jun 17, 20261w ago

7.3 CVSS 4.0

High

Published Jan 8, 2026 5mo ago

Last Modified Jun 17, 2026 1w ago

Description

An External Control of File Name or Path vulnerability in smb4k allowsl ocal users to perform a local root exploit via smb4k mounthelper if they can access and control the contents of a Samba shareThis issue affects smb4k: from ? before 4.0.5.

CVSS Details

Base Score

7.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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:X/V:X/RE:X/U:X

Attack Vector Local

Attack Complexity High

Privileges Required Low

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

1.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-73

References 2

bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-66003
security.opensuse.org https://security.opensuse.org/2025/12/10/smb4k-major-issues-in-kauth-helper.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.