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 Expand All + 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