CVE-2026-24349highCWE-313

CVE-2026-24349: high-severity vulnerability in Siemens SIMATIC WinCC Unified PC Runtime V16

Published

Follow this CVE+ Monitor SIMATIC WinCC Unified PC Runtime

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.2epss 0.1%
A vulnerability has been identified in SIMATIC WinCC Unified PC Runtime V16 (All versions), SIMATIC WinCC Unified PC Runtime V17 (All versions), SIMATIC WinCC Unified PC Runtime V18 (All versions), SIMATIC WinCC Unified PC Runtime V19 (All versions), SIMATIC WinCC Unified PC Runtime V20 (All versions), SIMATIC WinCC Unified PC Runtime V21 (All versions < V21 Update 2). Insufficient protection of key material in WinCC Certificate Manager that could allow an attacker to extract sensitive information.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Affected products
Siemens · SIMATIC WinCC Unified PC Runtime V16Siemens · SIMATIC WinCC Unified PC Runtime V17Siemens · SIMATIC WinCC Unified PC Runtime V18Siemens · SIMATIC WinCC Unified PC Runtime V19Siemens · SIMATIC WinCC Unified PC Runtime V20Siemens · SIMATIC WinCC Unified PC Runtime V21
Related CVEs — Siemens SIMATIC WinCC Unified PC Runtime V16

In the same product, most dangerous first.

CVE-2025-30033HIGHCVE-2025-30033EPSS 0.2%CVE-2024-52051HIGHCVE-2024-52051EPSS 0.2%