{"uuid": "02168ec5-91af-4771-b8dc-7daef32cd80b", "vulnerability": {"vulnId": "CVE-2023-21529", "altId": []}, "gcve": {"origin_uuid": "caeb2787-0d58-4236-9039-7c86c3e566f3", "gna": 1, "object_uuid": "02168ec5-91af-4771-b8dc-7daef32cd80b"}, "status": {"exploited": true, "status_reason": "confirmed", "status_updated_at": "2026-06-01T13:07:10+00:00"}, "timestamps": {"asserted_at": "2026-06-01T13:07:10+00:00", "recorded_at": "2026-06-23T14:02:37+00:00", "first_seen_at": "2026-06-01T13:07:10+00:00"}, "scope": {"notes": "KEVIntel entry: Microsoft Exchange Server Remote Code Execution Vulnerability | Affected: Microsoft / Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Exchange Server 2019 Cumulative Update 11, Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 23 | CVSS: 8.8 (HIGH) | EPSS: 0.62104 | Used in malware: yes | Not yet in CISA KEV: False"}, "evidence": [{"type": "public_report", "source": "kevintel", "signal": "confirmed_compromise", "confidence": 0.7, "details": {"feed": "KEVIntel (kevintel.com)", "title": "Microsoft Exchange Server Remote Code Execution Vulnerability", "vendor": "Microsoft", "product": "Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Exchange Server 2019 Cumulative Update 11, Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 23", "added_date": "2026-06-01T13:07:10.012Z", "cvss_score": 8.8, "epss_score": 0.62104, "cvss_severity": "HIGH", "epss_percentile": 0.99068, "used_in_malware": "yes", "ahead_of_cisa_kev": {"unit": "day", "count": 1}, "not_yet_in_cisa_kev": false}}], "references": [{"id": "CVE-2023-21529", "url": "https://www.cve.org/CVERecord?id=CVE-2023-21529"}, {"id": "kevintel", "url": "https://kevintel.com/vuln/CVE-2023-21529"}]}