{"uuid": "fd46637f-c1a7-46d2-8347-dbd0a37d836a", "vulnerability": {"vulnId": "CVE-2021-43890", "altId": []}, "gcve": {"origin_uuid": "405284c2-e461-4670-8979-7fd2c9755a60", "object_uuid": "fd46637f-c1a7-46d2-8347-dbd0a37d836a"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2021-12-15T00:00:00+00:00"}, "characteristics": {}, "timestamps": {"asserted_at": "2021-12-15T00:00:00Z", "recorded_at": "2026-02-02T13:24:01Z", "first_seen_at": "2021-12-15T00:00:00Z"}, "scope": {"notes": "KEV entry: Microsoft Windows AppX Installer Spoofing Vulnerability | Affected: Microsoft / Windows | Description: Microsoft Windows AppX Installer contains a spoofing vulnerability which has a high impacts to confidentiality, integrity, and availability. | Required action: Apply updates per vendor instructions. | Due date: 2021-12-29 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-43890"}, "evidence": [{"type": "vendor_report", "source": "cisa-kev", "signal": "successful_exploitation", "confidence": 0.8, "details": {"cwes": [], "feed": "CISA Known Exploited Vulnerabilities Catalog", "product": "Windows", "due_date": "2021-12-29", "date_added": "2021-12-15", "vendorProject": "Microsoft", "vulnerabilityName": "Microsoft Windows AppX Installer Spoofing Vulnerability", "knownRansomwareCampaignUse": "Known"}}], "references": [{"id": "CVE-2021-43890", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-43890"}]}