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CVE-2025-64667

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CVE-2025-64667

Published: Dec 9, 2025

Modified: Apr 16, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.

VendorProductVersions

Microsoft

Microsoft Exchange Server 2016 Cumulative Update 23

affected
15.01.0.0 - < 15.01.2507.063

Microsoft

Microsoft Exchange Server 2019 Cumulative Update 14

affected
15.02.0.0 - < 15.02.1544.037

Microsoft

Microsoft Exchange Server 2019 Cumulative Update 15

affected
15.02.0.0 - < 15.02.1748.042

Microsoft

Microsoft Exchange Server Subscription Edition RTM

affected
15.02.0.0 - < 15.02.2562.035

Weaknesses (CWE)

CWE-451

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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