CVE-2026-24349

8.2HIGH

Key Information:

Vendor

Siemens
Status
Simatic Wincc Unified Pc Runtime V16
Simatic Wincc Unified Pc Runtime V17
Simatic Wincc Unified Pc Runtime V18
Simatic Wincc Unified Pc Runtime V19
Vendor
CVE Published:
9 June 2026

What is CVE-2026-24349?

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 Version(s)

SIMATIC WinCC Unified PC Runtime V16 0

SIMATIC WinCC Unified PC Runtime V17 0

SIMATIC WinCC Unified PC Runtime V18 0

References

https://cert-portal.siemens.com/productcert/html/ssa-0635...

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.