CVE Explorer
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 ?), the agent allocates a fixed-size heap buffer of 256 bytes (OS_SIZE_256). By creating a registry subkey with a maximum allowed length (255 characters) inside a monitored path, a low-privileged loc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"wazuh","vendor":"wazuh","versions":[{"status":"affected","version":">= 4.6.0, < 4.14.5"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3dfdc0c8fe2a21ac42f9ac31193c7ee65fa8a93de545cd9dd6b3b3f9ec00af41 · sha256:14eea1b4a0e43a94… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3dfdc0c8fe2a21ac42f9ac31193c7ee65fa8a93de545cd9dd6b3b3f9ec00af41 · sha256:14eea1b4a0e43a94… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:3dfdc0c8fe2a21ac42f9ac31193c7ee65fa8a93de545cd9dd6b3b3f9ec00af41 · sha256:14eea1b4a0e43a94… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/wazuh/wazuh/security/advisories/GHSA-qvrc-pcfc-jhqc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-qvrc-pcfc-jhqc"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3dfdc0c8fe2a21ac42f9ac31193c7ee65fa8a93de545cd9dd6b3b3f9ec00af41 · sha256:14eea1b4a0e43a94… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/wazuh/wazuh/security/advisories/GHSA-qvrc-pcfc-jhqc"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3dfdc0c8fe2a21ac42f9ac31193c7ee65fa8a93de545cd9dd6b3b3f9ec00af41 · sha256:14eea1b4a0e43a94… · /containers/adp/0/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.