CVE-2026-6421

Mobatek MobaXterm Home Edition msimg32.dll uncontrolled search path

HIGH
7
CVSS Score
Published: April 17, 2026 at 05:45 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorMobaXterm

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Severity
HIGH7
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 26.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-427CWE-426

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