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Status published
Medium
CVE-2025-64667
Microsoft Exchange Server Spoofing Vulnerability
Vulnerability Description
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Microsoft
View all reports →Affected Software
Microsoft Exchange Server 2016 Cumulative Update 23, Microsoft Exchange Server 2019 Cumulative Update 14, Microsoft Exchange Server 2019 Cumulative Update 15, Microsoft Exchange Server Subscription Edition RTM
Vulnerable Versions:
15.01.0.0, 15.02.0.0
Timeline
Official Publish:
December 9th, 2025
Last Modified:
April 16th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.