CVE-2026-40106

Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.6.0 and above prior to 4.14.5 contain a heap-based buffer overflow vulnerability in the syscheck component of the Wazuh agent for Windows. When expanding registry paths containing wildcards or...

CVE-2026-40106 Wazuh: Heap-based Buffer Overflow in syscheck Registry Wildcard Expansion (LPE / DoS)

Wazuh is a free and open source platform used for threat prevention, detection, and response. Versions 4.6.0 and above prior to 4.14.5 contain a heap-based buffer overflow vulnerability in the syscheck component of the Wazuh agent for Windows. When expanding registry paths containing wildcards or...

CVE-2026-40106

CVE-2026-40106 describes a heap-based buffer overflow in the Windows version of Wazuh (syscheck component) affecting versions 4.6.0–4.14.4, fixed in 4.14.5. When expanding registry paths with wildcards, the agent may allocate a 256-byte heap buffer (OS_SIZE_256) and can be driven to an out-of-bou...