CVE-2026-24349

HIGHPre-NVD 7.17.1—
EchelonGraph scoreLOW confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-09. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.1
EG Score
7.1(low)
EG Risk
—
EPSS
0.0%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jun 11, 2026
No patch confirmed yet.
generic

SSA-063511

https://cert-portal.siemens.com/productcert/html/ssa-063511.html

Vendor Advisories for CVE-2026-24349(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 1× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-16 09:31 UTCGHSA enrichment
  2. 2026-07-15 20:18 UTCGHSA enrichment
  3. 2026-07-14 13:42 UTCGHSA enrichment
  4. 2026-07-14 02:28 UTCGHSA enrichment
  5. 2026-07-12 08:22 UTCGHSA enrichment
  6. 2026-07-11 19:50 UTCGHSA enrichment
  7. 2026-07-11 08:36 UTCGHSA enrichment
  8. 2026-07-10 21:05 UTCGHSA enrichment
  9. 2026-07-09 03:00 UTCGHSA enrichment
  10. 2026-07-08 15:42 UTCGHSA enrichment
  11. 2026-07-08 15:15 UTCEPSS rescore
  12. 2026-07-08 15:15 UTCEPSS rescore
  13. 2026-07-08 02:01 UTCGHSA enrichment
  14. 2026-07-07 13:46 UTCEPSS rescore
  15. 2026-07-05 15:49 UTCGHSA enrichment
  16. 2026-07-05 02:52 UTCGHSA enrichment
  17. 2026-07-04 14:27 UTCGHSA enrichment
  18. 2026-07-03 20:19 UTCGHSA enrichment
  19. 2026-07-03 09:05 UTCGHSA enrichment
  20. 2026-07-02 16:32 UTCGHSA enrichment
  21. 2026-07-02 05:17 UTCGHSA enrichment
  22. 2026-07-01 18:03 UTCGHSA enrichment
  23. 2026-07-01 06:22 UTCGHSA enrichment
  24. 2026-06-30 18:31 UTCGHSA enrichment
  25. 2026-06-30 07:17 UTCGHSA enrichment
Show 52 more
  1. 2026-06-29 19:24 UTCGHSA enrichment
  2. 2026-06-29 08:10 UTCGHSA enrichment
  3. 2026-06-28 20:52 UTCGHSA enrichment
  4. 2026-06-28 09:38 UTCGHSA enrichment
  5. 2026-06-27 22:24 UTCGHSA enrichment
  6. 2026-06-27 11:09 UTCGHSA enrichment
  7. 2026-06-26 23:55 UTCGHSA enrichment
  8. 2026-06-26 12:40 UTCGHSA enrichment
  9. 2026-06-25 23:48 UTCGHSA enrichment
  10. 2026-06-25 13:49 UTCEPSS rescore
  11. 2026-06-25 13:49 UTCEPSS rescore
  12. 2026-06-25 12:32 UTCGHSA enrichment
  13. 2026-06-25 01:18 UTCGHSA enrichment
  14. 2026-06-24 14:04 UTCGHSA enrichment
  15. 2026-06-23 23:24 UTCGHSA enrichment
  16. 2026-06-23 12:10 UTCGHSA enrichment
  17. 2026-06-22 22:30 UTCGHSA enrichment
  18. 2026-06-22 05:24 UTCGHSA enrichment
  19. 2026-06-21 10:43 UTCGHSA enrichment
  20. 2026-06-20 21:43 UTCGHSA enrichment
  21. 2026-06-20 10:17 UTCGHSA enrichment
  22. 2026-06-19 23:02 UTCGHSA enrichment
  23. 2026-06-19 09:46 UTCGHSA enrichment
  24. 2026-06-18 19:25 UTCGHSA enrichment
  25. 2026-06-18 07:52 UTCGHSA enrichment
  26. 2026-06-17 20:37 UTCGHSA enrichment
  27. 2026-06-17 09:23 UTCGHSA enrichment
  28. 2026-06-16 22:04 UTCGHSA enrichment
  29. 2026-06-16 10:51 UTCGHSA enrichment
  30. 2026-06-15 23:36 UTCGHSA enrichment
  31. 2026-06-15 17:48 UTCEPSS rescore
  32. 2026-06-15 12:22 UTCGHSA enrichment
  33. 2026-06-15 01:05 UTCGHSA enrichment
  34. 2026-06-14 23:18 UTCEPSS rescore
  35. 2026-06-14 13:51 UTCGHSA enrichment
  36. 2026-06-14 02:28 UTCGHSA enrichment
  37. 2026-06-13 15:14 UTCGHSA enrichment
  38. 2026-06-13 03:59 UTCGHSA enrichment
  39. 2026-06-12 23:12 UTCEPSS rescore
  40. 2026-06-12 23:12 UTCEPSS rescore
  41. 2026-06-12 16:44 UTCGHSA enrichment
  42. 2026-06-12 05:30 UTCGHSA enrichment
  43. 2026-06-11 18:16 UTCGHSA enrichment
  44. 2026-06-11 07:00 UTCGHSA enrichment
  45. 2026-06-10 22:18 UTCEPSS rescore
  46. 2026-06-10 22:18 UTCEPSS rescore
  47. 2026-06-10 19:46 UTCGHSA enrichment
  48. 2026-06-10 13:22 UTCEPSS rescore
  49. 2026-06-10 08:33 UTCGHSA enrichment
  50. 2026-06-09 21:19 UTCGHSA enrichment
  51. 2026-06-09 10:05 UTCEG score recompute
  52. 2026-06-09 10:05 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-24349?
CVE-2026-24349 is a high vulnerability published on June 9, 2026. 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…
When was CVE-2026-24349 disclosed?
CVE-2026-24349 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-24349 actively exploited?
CVE-2026-24349 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-24349?
CVE-2026-24349 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-24349?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-24349, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-24349

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