CVE-2026-24349

Published Jun 9, 2026
·
Updated

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.

Affected Software

6 affected components
Siemens SIMATIC WinCC Unified PC Runtime V16=All versions
Siemens SIMATIC WinCC Unified PC Runtime V17=All versions
Siemens SIMATIC WinCC Unified PC Runtime V18=All versions
Siemens SIMATIC WinCC Unified PC Runtime V19=All versions
Siemens SIMATIC WinCC Unified PC Runtime V20=All versions
Siemens SIMATIC WinCC Unified PC Runtime V21<V21 Update 2

Event History

Jun 9, 2026
CVE Published
via MITRE·08:46 AM
Data Sourced
via MITRE·08:46 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:16 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-24349?

The severity of CVE-2026-24349 is high, with a score of 7.1.

2

How do I fix CVE-2026-24349?

To fix CVE-2026-24349, ensure that you upgrade to the latest version of Siemens SIMATIC WinCC Unified PC Runtime.

3

What software versions are affected by CVE-2026-24349?

CVE-2026-24349 affects all versions of Siemens SIMATIC WinCC Unified PC Runtime from V16 to V21.

4

What are the potential impacts of CVE-2026-24349?

The potential impacts of CVE-2026-24349 include unauthorized access to sensitive configurations and high confidentiality risk.

5

Is user interaction required to exploit CVE-2026-24349?

No, user interaction is not required to exploit CVE-2026-24349.

Contact

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