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KEV Entry

CVE-2025-40553

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2025-40553

2026-09-01 12:15 UTC

Timestamps

2026-09-01

2026-09-01

Scope

SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability | Affected: SolarWinds / Web Help Desk | CVSS: 9.8 (CRITICAL) | EPSS: 0.6039 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2025-40553', 'url': 'https://www.cve.org/CVERecord?id=CVE-2025-40553'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2025-40553'}

2684ce79-c02a-4032-8a2c-adcdb14b3dec

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

2026-09-02 13:00 UTC

2026-09-02 13:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-09-01T12:15:41.982Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99076,
  "epss_score": 0.6039,
  "feed": "Previdian (previdian.com)",
  "not_yet_in_cisa_kev": true,
  "product": "Web Help Desk",
  "title": "SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "SolarWinds"
}
 -
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