---
title: "CVE-2026-74045: Wazuh - Buffer Overflow"
description: "Wazuh 3.12.0 before 4.14.8 contains a heap buffer overflow caused by improper sizing in fim_generate_alert(), letting enrolled agents crash wazuh-analysisd causing detection outages, exploit requires an enrolled agent."
url: https://panop.io/threat-heartbeat/CVE-2026-74045/
---

# CVE-2026-74045 Wazuh - Buffer Overflow

Wazuh 3.12.0 before 4.14.8 contains a heap buffer overflow caused by improper sizing in fim\_generate\_alert(), letting enrolled agents crash wazuh-analysisd causing detection outages, exploit requires an enrolled agent.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.34% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-74045)

## Details

Type

Buffer Overflow

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-122](https://cwe.mitre.org/data/definitions/122.html)

## Vendor fix

Upgrade to version 4.14.8 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-74045](https://nvd.nist.gov/vuln/detail/CVE-2026-74045)
- [https://github.com/wazuh/wazuh/releases/tag/v4.14.8](https://github.com/wazuh/wazuh/releases/tag/v4.14.8)
- [https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr](https://github.com/wazuh/wazuh/security/advisories/GHSA-gc4j-j9fg-4cfr)
- [https://www.vulncheck.com/advisories/wazuh-3.12.0-before-4.14.8-heap-buffer-overflow-in-wazuh-analysisd-fim-decoder](https://www.vulncheck.com/advisories/wazuh-3.12.0-before-4.14.8-heap-buffer-overflow-in-wazuh-analysisd-fim-decoder)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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