Description of the security update for Microsoft Exchange Server 2019 CU15: December 9, 2025 (KB5071875)
| Reporter | Title | Published | Views | Family All 35 |
|---|---|---|---|---|
 | Microsoft Exchange Server Spear Phishing | 10 Dec 202500:00 | – | bdu_fstec |
| Microsoft Exchange Server Privilege Escalation | 10 Dec 202500:00 | – | bdu_fstec |
 | CVE-2025-64666 | 9 Dec 202517:29 | – | circl |
| CVE-2025-64667 | 9 Dec 202517:29 | – | circl |
 | Microsoft Exchange Server security vulnerabilities | 9 Dec 202500:00 | – | cnnvd |
| Microsoft Exchange Server input validation vulnerability | 9 Dec 202500:00 | – | cnnvd |
 | Microsoft Exchange Server Input Validation Error Vulnerability (CNVD-2025-3057284) | 12 Dec 202500:00 | – | cnvd |
| Microsoft Exchange Server Spoofing Vulnerability (CNVD-2026-14410) | 12 Dec 202500:00 | – | cnvd |
 | CVE-2025-64666 | 9 Dec 202517:55 | – | cve |
| CVE-2025-64667 | 9 Dec 202517:55 | – | cve |
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09 Dec 2025 08:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.5
EPSS0.0102
SSVC