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Vulnerabilities of Siemens SIMATIC WinCC V8.1

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CVE Summary Score Published
CVE-2026-59241 A vulnerability has been identified in SIMATIC WinCC V7.5 (All versions), SIMATIC WinCC V8.0 (All versions < V8.0 Update… 8.8 High Oct 13, 2026
CVE-2025-15467 Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can… Not rated Jan 27, 2026
CVE-2025-30033 The affected setup component is vulnerable to DLL hijacking 7.8 High Aug 12, 2025

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