KEV Entry

CVE-2026-45498

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2026-45498

2026-06-01 13:29 UTC

Timestamps

2026-06-01

2026-06-01

Scope

KEVIntel entry: Microsoft Defender Denial of Service Vulnerability | Affected: Microsoft / Microsoft Defender Antimalware Platform | CVSS: 4.0 (MEDIUM) | EPSS: 0.025 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-45498', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-45498'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2026-45498'}

c46c47c1-3450-4ced-8bec-e2c77b5d96c9

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:03 UTC

2026-06-23 14:03 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T13:29:26.865Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cvss_score": 4.0,
  "cvss_severity": "MEDIUM",
  "epss_percentile": 0.8263,
  "epss_score": 0.025,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Microsoft Defender Antimalware Platform",
  "title": "Microsoft Defender Denial of Service Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
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