Incorrect Privilege Assignment in SIMATIC WinCC - CVE-2026-59241
Published: October 14, 2026
Vulnerability identifier: #VU155754
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-59241
CWE-ID: CWE-266
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to the affected application does not sufficiently restrict the permissions assigned to a database role, which leads to security restrictions bypass and privilege escalation.
Affected software
SIMATIC WinCC
How to mitigate CVE-2026-59241
Install updates from vendor's website.
SIMATIC WinCC - addressed in versions 8.0 Update 11, 8.1 Update 7