SB2026101471 - Privilege escalation in Siemens WinCC
Published: October 14, 2026
Security Bulletin ID
SB2026101471
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect Privilege Assignment (CVE-ID: CVE-2026-59241)
CWE-ID: CWE-266 - Incorrect Privilege Assignment
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.