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PatchSiren cyber security CVE debrief

CVE-2026-12921 AzeoTech CVE debrief

AzeoTech DAQFactory versions 21.1 and prior are vulnerable to a Use After Free vulnerability. An attacker can exploit this vulnerability using specially crafted .ctl files, potentially resulting in code execution. This vulnerability has a CVSS score of 8.4 and a severity rating of HIGH. Organizations should prioritize patching this vulnerability to prevent potential code execution. The CVE record and NVD entry provide additional context, but defenders should review the official advisory for specific guidance on addressing the vulnerability.

Vendor
AzeoTech
Product
DAQFactory
CVSS
HIGH 8.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-25
Original CVE updated
2026-07-16
Advisory published
2026-06-25
Advisory updated
2026-07-16

Who should care

Organizations using AzeoTech DAQFactory versions 21.1 and prior should prioritize patching this vulnerability to prevent potential code execution. Operators, platform administrators, vulnerability management teams, and security teams should review the official advisory and CVE record for specific guidance on addressing the vulnerability and implement additional security measures to detect and prevent potential exploitation.

Technical summary

The CVE-2026-12921 vulnerability is a Use After Free issue in AzeoTech DAQFactory versions 21.1 and prior. This vulnerability can be exploited by an attacker using specially crafted .ctl files, which may lead to code execution. The vulnerability has a CVSS score of 8.4 and a severity rating of HIGH. The affected product deployments should be reviewed, and owners should be assigned for follow-up.

Defensive priority

High priority should be given to patching this vulnerability due to its high CVSS score and potential for code execution. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Recommended defensive actions

  • Apply the latest patches or updates provided by AzeoTech to address the Use After Free vulnerability in DAQFactory.
  • Restrict access to .ctl files and ensure that they are validated before being processed.
  • Implement additional security measures, such as monitoring and intrusion detection, to detect and prevent potential exploitation.
  • Review compensating controls for exposed systems while remediation is scheduled and verified.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record was published on 2026-06-25T19:16:36.167Z and was last modified on 2026-07-16T15:50:47.263Z. The NVD entry is currently Analyzed. The source item provides additional context and details about the vulnerability. However, the details are limited, and defenders should verify the affected scope and severity with the vendor or other trusted sources.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-06-25T19:16:36.167Z and has not been modified since then. The NVD entry is currently Analyzed.