CVE-2026-6421

A vulnerability has been found in Mobatek MobaXterm Home Edition up to 26.1. This affects an unknown part in the library msimg32.dll. The manipulation leads to uncontrolled search path. An attack has to be approached locally. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 26.2 is able to mitigate this issue. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS v3 7.0 HIGH
CVSS v2.0 6.0 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:H/Au:S/C:C/I:C/A:C

Exploitability : 1.5 / Impact : 10.0

Access Vector LOCAL

Access Complexity HIGH

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://download.mobatek.net/2622026032581854/MobaXterm_Installer_v26.2.zip
https://drive.google.com/file/d/17bbNDzfoD3NNPlUMkSYs8bVzVbbwddnU/view
https://mobaxterm.mobatek.net/download-home-edition.html
https://vuldb.com/submit/778851
https://vuldb.com/vuln/358020
https://vuldb.com/vuln/358020/cti

Configurations

No configuration.

History

17 Apr 2026, 06:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-17 06:16

Updated : 2026-04-29 01:00

NVD link : CVE-2026-6421

Mitre link : CVE-2026-6421

CVE.ORG link : CVE-2026-6421

JSON object : View

Products Affected

No product.

CWE

CWE-426

Untrusted Search Path

CWE-427

Uncontrolled Search Path Element

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