CVE-2026-12921 Use after free in AzeoTech DAQFactory
Attackers can execute arbitrary code by tricking users into opening malicious .ctl files in AzeoTech DAQFactory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-12921?
CVE-2026-12921 is a high-severity use after free vulnerability in AzeoTech DAQFactory, published on 25 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-416
Which versions are affected by CVE-2026-12921?
It affects 1 product.
Products include Azeotech Daqfactory.
How do I fix CVE-2026-12921?
No fix has been published for CVE-2026-12921 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-12921 being exploited?
There is no known exploitation of CVE-2026-12921 in the wild and no public exploit code.
Other vulnerabilities in AzeoTech DAQFactory
- CVE-2011-3492 Memory corruption in n/a
- CVE-2009-4480 Memory corruption in n/a
- CVE-2026-12390 Access of resource using incompatible type ('type confusion') in AzeoTech DAQFactory
- CVE-2025-66588 Access of Uninitialized Pointer vulnerability in AzeoTech DAQFactory
- CVE-2025-66589 Out-of-bounds Read vulnerability in AzeoTech DAQFactory
Sources
Also known as GHSA-3mp5-47hq-xq78.