Nssm-2.24 Privilege Escalation Verified Jun 2026

Check the permissions on the registry keys where NSSM stores its parameters. Ensure that standard users cannot modify keys under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ . 3. Use Service Accounts

before reaching the intended file. An attacker can place a malicious Program.exe at the root of the drive to hijack the service execution. NSSM - the Non-Sucking Service Manager 3. Exploitation in Ransomware Campaigns nssm-2.24 privilege escalation

NSSM (Non-Sucking Service Manager) version 2.24 is a widely used tool for managing Windows services, but it presents specific security risks, primarily revolving around . While NSSM itself is not inherently "malicious," its misconfiguration or presence in a compromised environment can be leveraged by attackers to gain NT AUTHORITY\SYSTEM privileges. Deep Review of NSSM 2.24 Vulnerabilities 1. Unquoted Service Path (Most Common) Check the permissions on the registry keys where

: The vulnerability involves manipulating the service configuration to execute commands with higher privileges than those granted to the user executing the NSSM service. Use Service Accounts before reaching the intended file

NSSM is convenient but dangerous if misconfigured. Always assume that a service running as SYSTEM with writable configuration is a . Audit your endpoints, and don’t let convenience override security.

If you must use NSSM, migrate to version 2.24 . Better yet, use a maintained alternative like WinSW with XML configuration files that support integrity checks.