SW
Product
SIMATIC WinCC V7.5
2
CVEs
0
On KEV
9.1
Max CVSS
1
New 30D
VulnerabilityHigh
Siemens WinCC
View CSAF
Summary
Multiple SIMATIC WinCC versions are affected by a database privilege escalation vulnerability that could allow an authenticated user with access to the database to execute commands on the underlying host system. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fixes and recommends mitigations for products where fixes are not or not yet available.
The following versions of Siemens WinCC are affected:
SIMATIC WinCC V7.5 vers:all/* (CVE-2026-59241)
SIMATIC WinCC V8.0 vers:intdot/<8.0.0.11 (CVE-2026-59241)
SIMATIC WinCC V8.1 vers:intdot/<8.1.7 (CVE-2026-59241)
CVSS
Vendor
Equipment
v3 8.8
Siemens
SIMATIC WinCC V7.5
1 Vulnerability
Incorrect Privilege Assignment
Background
Critical Infrastructure Sectors: Critical Manufacturing, Transportation Systems, Energy, Healthcare and Public Health, Financial Services, Government Services and Facilities
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Germany
Vulnerabilities
CVE-2026-59241
The affected application does not sufficiently restrict the permissions assigned to a database role. This could allow an authenticated remote attacker with database access to escalate privileges and execute arbitrary commands on the host system where SIMATIC WinCC is installed, potentially leading to a compromise of ...
Oct 22, 2026·CISA Advisories
