High severity · published Sep 1, 2026
CVE-2026-12663
ControlFLASH ® – Improper Access Control
7.0
CVSS
0.2%
EPSS
No
On KEV
Description
A security issue exists within ControlFLASH™, where the installer grants write permissions to the "Everyone" group on a product installation directory. This could allow arbitrary code execution, resulting in an attacker being given the ability to run any commands or code of the attacker's choice on a target machine at the logged-in user's permission level.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
ControlFLASH ® · Rockwell Automation
V15.07 and prior · source: vendor
In the news
VulnerabilityHigh
Rockwell Automation ControlFLASH
View CSAF
Summary
Successful exploitation of this vulnerability could give an attacker the ability to run any commands or code of the attacker's choice on a target machine at the logged-in user's permission level.
The following versions of Rockwell Automation ControlFLASH are affected:
ControlFLASH <=V15.07 (CVE-2026-12663)
CVSS
Vendor
Equipment
Vulnerabilities
v3 7.3
Rockwell Automation
Rockwell Automation ControlFLASH
Missing Authentication for Critical Function
Background
Critical Infrastructure Sectors: Critical Manufacturing, Energy, Water and Wastewater
Countries/Areas Deployed: Worldwide
Company Headquarters Location: United States
Vulnerabilities
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CVE-2026-12663
A security issue exists within ControlFLASH, where the installer grants write permissions to the "Everyone" group on a product installation directory. This could allow arbitrary code execution, resulting in an attacker being given the ability to run any commands or code of the attacker's choice on a target machine at the logged-in user's permission level.
View CVE Details
Affected Products
Rockwell Automation ControlFLASH
Vendor: Rockwell Automation
Product Version: Rockwell Automation ControlFLASH: <=V15.07
Product Status: known_affected
Remediations
Mitigation Rockwell Automation has corrected this issue in software version 15.08, and encourages all users to update...
Sep 3, 2026·CISA Advisories
