The most direct remediation is to update any software that bundles NSSM to the latest versions:
The NSSM maintainers have addressed multiple bugs in the , available from the official NSSM builds page . While the official bug tracker does not explicitly list CVE‑2025‑41686 as fixed, the 2.25 builds incorporate numerous stability and security improvements over the vulnerable 2.24 version. For any custom deployments where you control the NSSM binary, replacing version 2.24 with 2.25 is strongly recommended. nssm224 privilege escalation updated