{"uuid": "8169d2fc-1406-4271-bf34-79d7fc795cb2", "vulnerability": {"vulnId": "CVE-2021-1647", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "object_uuid": "8169d2fc-1406-4271-bf34-79d7fc795cb2"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2021-11-03T01:00:00+01:00"}, "timestamps": {"asserted_at": "2021-11-03T00:00:00+00:00", "recorded_at": "2026-10-02T07:08:31+00:00", "first_seen_at": "2021-11-03T00:00:00+00:00"}, "scope": {"notes": "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) | EPSS: 0.39392 | Used in malware: unknown | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "previdian", "signal": "successful_exploitation", "confidence": 0.7, "details": {"feed": "Previdian (previdian.com)", "title": "Microsoft Defender Remote Code Execution Vulnerability", "cve_id": "CVE-2021-1647", "vendor": "Microsoft", "ghsa_id": null, "product": "Microsoft System Center Endpoint Protection, Microsoft System Center 2012 R2 Endpoint Protection, Microsoft Security Essentials, Microsoft System Center 2012 Endpoint Protection, Windows Defender", "added_date": "2021-11-03T00:00:00.000Z", "cvss_score": 7.8, "epss_score": 0.39392, "previous_ids": [], "cvss_severity": "HIGH", "virtual_patch": false, "cvss_estimated": false, "epss_percentile": 0.98565, "used_in_malware": "unknown", "vulnerability_id": "CVE-2021-1647", "ahead_of_cisa_kev": null, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2021-1647", "url": "https://www.cve.org/CVERecord?id=CVE-2021-1647"}, {"id": "previdian", "url": "https://previdian.com/CVE-2021-1647"}]}