What’s Vulnerable › Vulnerabilities
CVE-2026-59241
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-13 · updated 2026-10-16
- Weakness: CWE-266
Description
A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions < V8.0 Update 11), SIMATIC WinCC V8.1 (All versions < V8.1 Update 7). 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 the system.
Affected products
- Siemens SIMATIC WinCC V7.5: all versions
- Siemens SIMATIC WinCC V8.0: before V8.0 Update 11 — fixed in V8.0 Update 11
- Siemens SIMATIC WinCC V8.1: before V8.1 Update 7 — fixed in V8.1 Update 7
How to fix
Upgrade to a fixed version: Siemens SIMATIC WinCC V8.0 V8.0 Update 11; Siemens SIMATIC WinCC V8.1 V8.1 Update 7. Check the vendor advisory for mitigations.
References
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