vulnerability
Microsoft Exchange: CVE-2025-64666: Microsoft Exchange Server Elevation of Privilege Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:S/C:C/I:C/A:C) | Dec 9, 2025 | Dec 9, 2025 | Feb 10, 2026 |
Severity
9
CVSS
(AV:N/AC:M/Au:S/C:C/I:C/A:C)
Published
Dec 9, 2025
Added
Dec 9, 2025
Modified
Feb 10, 2026
Description
Microsoft Exchange: CVE-2025-64666: Microsoft Exchange Server Elevation of Privilege Vulnerability
Solutions
microsoft-exchange-exchange_server_2016_CU23-kb5071873microsoft-exchange-exchange_server_2019_CU14-kb5071874microsoft-exchange-exchange_server_2019_CU15-kb5071875microsoft-exchange-exchange_server_subscription_edition_RTM-kb5071876
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