Vulnerability Details CVE-2025-64666
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.8%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2025-64666
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cpe:2.3:a:microsoft:exchange_server:*
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cpe:2.3:a:microsoft:exchange_server:2016
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cpe:2.3:a:microsoft:exchange_server:2019