module

Windows Server Update Service Deserialization Remote Code Execution

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Disclosed
Oct 14, 2025
Created
Nov 12, 2025

Description

This module exploits deserialization vulnerability in legacy serialization mechanism in Windows Server Update Services (WSUS). The vulnerability allows unauthenticated attacker to create specially crafted event, which triggers unsafe deserialization upon server synchronization. The module does not require any other options and upon successful exploitation, the payload is executed in context of administrator.

Authors

mwulftange
msutovsky-r7

Platform

Windows

Architectures

cmd

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':


    msf > use exploit/windows/http/wsus_deserialization_rce
    msf exploit(wsus_deserialization_rce) > show targets
        ...targets...
    msf exploit(wsus_deserialization_rce) > set TARGET < target-id >
    msf exploit(wsus_deserialization_rce) > show options
        ...show and set options...
    msf exploit(wsus_deserialization_rce) > exploit
Title
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