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.

Affected products

Mobaxterm Home Edition

Fix

Available

CVSS 4.0

7.3 HIGH

CVSS 3.1

7.0 HIGH

EPSS

0.1% (4th percentile)

Weakness

CWE-426, CWE-427

NVD status

Deferred

Published

2026-04-17