KEV Entry

CVE-2021-1647

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-1647

2021-11-03 00:00 UTC

Timestamps

2021-11-03

2021-11-03

Scope

KEVIntel entry: Microsoft Defender Remote Code Execution Vulnerability | Affected: Microsoft / Microsoft System Center Endpoint Protection, Microsoft System Center 2012 R2 Endpoint Protection, Microsoft Security Essentials, Microsoft System Center 2012 Endpoint Protection, Windows Defender | CVSS: 7.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2021-1647', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-1647'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-1647'}

57db2ca2-7d39-455b-a493-ddd06b200884

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 11:13 UTC

2026-06-23 11:13 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2021-11-03T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Microsoft System Center Endpoint Protection, Microsoft System Center 2012 R2 Endpoint Protection, Microsoft Security Essentials, Microsoft System Center 2012 Endpoint Protection, Windows Defender",
  "title": "Microsoft Defender Remote Code Execution Vulnerability",
  "used_in_malware": "unknown",
  "vendor": "Microsoft"
}
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