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Productivity Suite CVE-2026-61389

| EUVDEUVD-2026-45025 HIGH
Out-of-bounds Write (CWE-787)
2026-07-16 icscert GHSA-c6v8-3m64-fhpr
7.3
CVSS 4.0 · Vendor: icscert
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Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, write limits
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Act Now Prioritize within 24-48h. Why: Active threat signals + CRITICAL/HIGH severity.
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 16, 2026

Local privilege escalation in AutomationDirect Productivity Suite programming software stems from an out-of-bounds write (CWE-787) reachable through a crafted IOCTL request to a privileged kernel-mode component, corrupting kernel memory. An authenticated local attacker on an engineering workstation running the software can leverage the corruption to escalate to SYSTEM/kernel privileges or crash the host. No public exploit identified at time of analysis; the flaw is documented in CISA ICS advisory ICSA-26-197-04 (reported by ICS-CERT) but is not listed in CISA KEV, and no EPSS score was supplied.

Affected VersionsENISA

Productivity Suite 0 ≤v4.6.2.2

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (icscert) PRIMARY 7.3 HIGH
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (icscert) · only source for this CVE.

CVSS VectorVendor: icscert

Attack Vector
Local
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
CVSS changed
Jul 16, 2026 - 20:22 NVD
7.0 (HIGH) 7.3 (HIGH)
CVE Published
Jul 16, 2026 - 20:00 cve.org
HIGH 7.3

DescriptionCVE.org

An out-of-bounds write vulnerability in the Productivity Suite allows a local attacker to trigger kernel memory corruption via a crafted IOCTL request, potentially resulting in privilege escalation or system instability.

Executive ViewAI

Why It Matters

AutomationDirect Productivity Suite contains a local privilege escalation vulnerability (CVE-2026-61389, CVSS 7.3) that allows authenticated engineering workstation users to escalate to SYSTEM/kernel privileges or crash the system through kernel memory corruption. The risk is material for organizations with sensitive industrial control engineering functions, as the flaw enables either insider threats or lateral movement following post-compromise access to engineering workstations.

Recommended Action

Within 24 hours: Identify all engineering workstations running AutomationDirect Productivity Suite and document versions; evaluate whether the software is essential or can be temporarily removed pending patch availability. Within 7 days: Implement compensating controls including restricting local access to the software to authorized engineers only, enabling application whitelisting, and improving audit logging of IOCTL activity and privilege escalations. Within 30 days: Establish monitoring of CISA advisory ICSA-26-197-04 and AutomationDirect security bulletins for patch release; develop an expedited deployment plan for when patches become available; consider temporary decommissioning if the software supports non-critical functions and patch timelines extend beyond Q3 2026.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) Restrict local and physical access to workstations running the software to authorized engineering personnel; (2) Implement application whitelisting and user access controls to limit execution; (3) Enable and monitor kernel-level audit logging for IOCTL calls and privilege escalation attempts; (4) Segment engineering workstations on isolated VLANs to contain lateral movement; (5) Consider temporary uninstallation if the software is not business-critical.

Threat Intelligence Overview

EPSS Score
0.1%
Top 99% exploitable
Threat Intel
1
1 sources
Social Media
1
Sightings
Data Quality
7 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat Yes
Deciding rule
Active threat signals + CRITICAL/HIGH severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Small
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: +10
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Threat IntelligenceMISP

CISA Advisories
Sources: CISA (public domain), CISA Vulnrichment

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