# CVE-2026-61389: AutomationDirect Productivity Suite out-of-bounds write via IOCTL

Source: https://junglewise.ai/threats/cve-2026-61389-automationdirect-productivity-suite-out-of-bounds-write-via-ioctl  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-16. Updated: 2026-07-16  
License: CC BY 4.0 with a link back

CVE-2026-61389 · Severity: high · CVSS 7 · Published 2026-07-16

AutomationDirect Productivity Suite is a software package used to program and manage industrial control systems. A vulnerability in this suite allows a local user to corrupt system memory, which could lead to an unauthorized increase in privileges or cause the entire system to crash. This could disrupt manufacturing operations or allow an attacker to gain deeper control over the engineering workstation.

Technologies: [AutomationDirect Productivity Suite](https://junglewise.ai/threats/technologies/productivity-suite). Vendors: [AutomationDirect](https://junglewise.ai/threats/vendors/automationdirect).

## Quick answers

**Is CVE-2026-61389 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-61389 being exploited in the wild.

**How severe is CVE-2026-61389?** High severity, with a CVSS score of 7, published 16 July 2026.

**Which products and versions are affected?** AutomationDirect Productivity Suite <=v4.6.2.2.

**Is there a fix for CVE-2026-61389?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-61389 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-61389?** Check whether you run AutomationDirect Productivity Suite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An out-of-bounds write (CWE-787) exists in the AutomationDirect Productivity Suite. The vulnerability is triggered when the software processes a specially crafted I/O Control (IOCTL) request. A local attacker with low privileges can exploit this to cause kernel memory corruption. Successful exploitation can lead to local privilege escalation (LPE) or a denial-of-service (DoS) condition via system instability. The vulnerability is addressed in version v4.7.0.47.

## Affected products

- AutomationDirect Productivity Suite <=v4.6.2.2

## Timeline

- 2026-07-16: disclosed
- 2026-07-16: advisory: ICSA-26-197-04 published by CISA

## References

- [https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-197-04.json](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-197-04.json)
- [https://www.automationdirect.com/support/software-downloads](https://www.automationdirect.com/support/software-downloads)
- [https://www.cisa.gov/news-events/ics-advisories/icsa-26-197-04](https://www.cisa.gov/news-events/ics-advisories/icsa-26-197-04)

## Related threats

- [AutomationDirect Productivity Suite divide by zero vulnerability](https://junglewise.ai/threats/cve-2026-61378-automationdirect-productivity-suite-divide-by-zero-vulnerability)
- [AutomationDirect Productivity Suite out-of-bounds read via USB](https://junglewise.ai/threats/cve-2026-60073-automationdirect-productivity-suite-out-of-bounds-read-via-usb)
- [AutomationDirect Productivity Suite out-of-bounds read via IOCTL](https://junglewise.ai/threats/cve-2026-57896-automationdirect-productivity-suite-out-of-bounds-read-via-ioctl)
- [AutomationDirect Productivity Suite out-of-bounds read via IOCTL request](https://junglewise.ai/threats/cve-2026-60140-automationdirect-productivity-suite-out-of-bounds-read-via-ioctl)
- [AutomationDirect Productivity Suite out-of-bounds write via IOCTL](https://junglewise.ai/threats/cve-2026-60063-automationdirect-productivity-suite-out-of-bounds-write-via-ioctl)