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Rockwell Automation FactoryTalk Activation Manager

September 1, 2026·Source: CISA
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TL;DR

View CSAF Summary The following versions of Rockwell Automation FactoryTalk Activation Manager are affected: FactoryTalk Activation Manager V5.02_and_below (CVE-2026-16675) CVSS Vendor Equipment Vulnerabilities

v3 7.8 Rockwell Automation Rockwell Automation FactoryTalk Activation Manager Improper Restriction of Excessive Authentication Attempts

Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-16675 A privilege escalation vulnerability exists within FactoryTalk Activation Manager. The vulnerability stems from custom actions in the installer that spawn visible console windows running with SYSTEM privileges during installation or repair operations. An authenticated attacker with Windows credentials could hijack these console windows to obtain a SYSTEM-level command prompt, allowing full access to all files, processes, and system resources. View CVE Details Affected Products Rockwell Automation FactoryTalk Activation Manager Vendor: Rockwell Automation Product Version: Rockwell Automation FactoryTalk Activation Manager V5.02_and_below Product Status: known_affected Remediations Vendor fix Rockwell Automation recommends users update to software version V5.03. Mitigation Customers using the affected software who are not able to upgrade to one of the corrected versions should use Rockwell Automation's security best practices. Relevant CWE: CWE-307 Improper Restriction of Excessive Authentication Attempts Metrics CVSS Version Base Score Base Severity Vector String

3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.0 8.5 HIGH CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Acknowledgments An anonymous security researcher reported this vulnerability to Rockwell Automation, who reported it to CISA Legal Notice and Terms of Use This product is provided subject to this Notification (https://www.cis

What Happened

Rockwell Automation FactoryTalk Activation Manager, reported by CISA.

View CSAF Summary The following versions of Rockwell Automation FactoryTalk Activation Manager are affected: FactoryTalk Activation Manager V5.02_and_below (CVE-2026-16675) CVSS Vendor Equipment Vulnerabilities

v3 7.8 Rockwell Automation Rockwell Automation FactoryTalk Activation Manager Improper Restriction of Excessive Authentication Attempts

Background Critical Infrastructure Sectors: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-16675 A privilege escalation vulnerability exists within FactoryTalk Activation Manager. The vulnerability stems from custom actions in the installer that spawn visible console windows running with SYSTEM privileges during installation or repair operations. An authenticated attacker with Windows credentials could hijack these console windows to obtain a SYSTEM-level command prompt, allowing full access to all files, processes, and system resources. View CVE Details Affected Products Rockwell Automation FactoryTalk Activation Manager Vendor: Rockwell Automation Product Version: Rockwell Automation FactoryTalk Activation Manager V5.02_and_below Product Status: known_affected Remediations Vendor fix Rockwell Automation recommends users update to software version V5.03. Mitigation Customers using the affected software who are not able to upgrade to one of the corrected versions should use Rockwell Automation's security best practices. Relevant CWE: CWE-307 Improper Restriction of Excessive Authentication Attempts Metrics CVSS Version Base Score Base Severity Vector String

3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.0 8.5 HIGH CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Acknowledgments An anonymous security researcher reported this vulnerability to Rockwell Automation, who reported it to CISA Legal Notice and Terms of Use This product is provided subject to this Notification (https://www.cis

For the full technical details, see the original report.

Why It Matters for Businesses

This development could affect organizations that rely on the impacted technologies or services. Unpatched systems, misconfigured infrastructure, or lack of monitoring can leave businesses exposed to exploitation, data breaches, and regulatory penalties.

How to Check Your Exposure

Run a free scan on NEL Professional's Cyber Risk Scanner to check whether your domain is affected. The scan covers SSL/TLS, security headers, DNS configuration, email authentication, and more across 16 modules.

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Mitigation Steps

  • Patch immediately, Apply vendor patches or updates as soon as they are available.
  • Review configurations, Check firewall rules, access controls, and security headers.
  • Monitor logs, Watch for indicators of compromise (IOCs) related to this threat.
  • Update security policies, Ensure incident response plans cover this type of threat.
  • Run a security scan, Use automated tools to verify your exposure.

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