CVE-2026-112161 MobaXterm Personal Edition - Code Injection

MobaXterm Personal Edition 26.4 GA contains a code injection vulnerability caused by lack of integrity verification when extracting CygUtils64.plugin, letting local attackers with write permissions execute code with victim's permissions, exploit requires write access to the plugin file.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.07% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Code Injection
Impact
Remote Code Execution
CVSS vector
CVSS:4.0/AV:L/AC:L/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
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-345

Vendor fix

Update to the latest version with integrity verification for plugin extraction.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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