CVE-2024-47091 Privilege escalation via mk_mysql agent plugin on Windows
Local attackers can escalate privileges to SYSTEM by exploiting the mk_mysql agent plugin on Windows via service name hijacking.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-47091?
CVE-2024-47091 is a medium-severity vulnerability in Checkmk Checkmk, published on 13 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-427
Which versions are affected by CVE-2024-47091?
It affects 1 product.
Products include Checkmk Checkmk.
How do I fix CVE-2024-47091?
No fix has been published for CVE-2024-47091 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-47091 being exploited?
There is no known exploitation of CVE-2024-47091 in the wild and no public exploit code.
Other vulnerabilities in Checkmk Checkmk
- CVE-2025-39666 omd: Local privilege escalation when executing omd commands as root
- CVE-2024-8606 Fix 2FA bypass via RestAPI
- CVE-2022-46836 PHP code injection in watolib
- CVE-2025-32919 Privilege Escalation in Windows License plugin for Checkmk Windows Agent
- CVE-2024-28827 Privilege escalation in Windows agent
Sources
Also known as GHSA-vp9r-chm8-6947.