KEV Entry

CVE-2026-5426

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2026-5426

2026-05-25 07:00 UTC

Timestamps

2026-05-25

2026-05-25

Scope

KEVIntel entry: KnowledgeDeliver deployments before February 24, 2026 use a static ASP.NET/IIS machineKey value | Affected: Digital Knowledge / KnowledgeDeliver | CVSS: 9.1 (CRITICAL) | EPSS: 0.0081 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2026-5426', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-5426'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2026-5426'}

66c1e780-c52f-45be-934f-204367b04f1e

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:42 UTC

2026-06-19 12:42 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-05-25T07:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.1,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.52104,
  "epss_score": 0.0081,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "KnowledgeDeliver",
  "title": "KnowledgeDeliver deployments before February 24, 2026 use a static ASP.NET/IIS machineKey value",
  "used_in_malware": "unknown",
  "vendor": "Digital Knowledge"
}
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