HIGH

CVE-2026-74045

CVSS v3

7.1

HIGH

EPSS Score

—

exploit probability

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-74045 yet.

Full record on NVD

Description

Wazuh from 3.12.0 before 4.14.8 contains a heap buffer overflow in fim_generate_alert() where full_log is sized from input but written bounded by OS_MAXSTR. An enrolled agent can send a crafted FIM syscheck event to corrupt manager heap memory and deterministically crash wazuh-analysisd, causing a fleet-wide detection outage.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Published: 2026-10-13
Last Modified: 2026-10-13

Frequently asked questions

What is CVE-2026-74045?

Is CVE-2026-74045 actively exploited?

Active exploitation of CVE-2026-74045 has not been confirmed.

What is the CVSS score for CVE-2026-74045?

CVE-2026-74045 has a CVSS v3 base score of 7.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

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