KEV Entry

CVE-2025-26399

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2025-26399

2026-06-01 14:09 CEST

Timestamps

2026-06-01

2026-06-01

Scope

SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability | Affected: SolarWinds / Web Help Desk | CVSS: 9.8 (CRITICAL) | EPSS: 0.895 | Used in malware: unknown | Listed 1 day ahead of CISA KEV | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2025-26399', 'url': 'https://www.cve.org/CVERecord?id=CVE-2025-26399'}
  • {'id': 'GHSA-VFRJ-F292-3F24', 'url': 'https://github.com/advisories/GHSA-VFRJ-F292-3F24'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2025-26399'}

183c8f01-3593-4a48-b2c2-4556f96ce950

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T12:09:49.246Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cve_id": "CVE-2025-26399",
  "cvss_estimated": false,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99783,
  "epss_score": 0.895,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-VFRJ-F292-3F24",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Web Help Desk",
  "title": "SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "SolarWinds",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2025-26399"
}
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