---
id: CVE-2026-12921
title: >-
  In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability
  can be exploited by an attacker using specially crafted .ctl files which can
  result in code execution.
summary: >-
  In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability
  can be exploited by an attacker using specially crafted .ctl files which can
  result in code execution.
severity: none
cwe:
  - CWE-416
published: '2026-06-25'
updated: '2026-07-15'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-12921'
references:
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-02'
    label: ics-cert@hq.dhs.gov
tags:
  - nvd
epss: 0.00187
epssPercentile: 0.07417
ingestedAt: '2026-07-16T03:49:16.836Z'
---

## Overview

In AzeoTech DAQFactory versions 21.1 and prior, a Use After Free vulnerability can be exploited by an attacker using specially crafted .ctl files which can result in code execution.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.