CVE-2025-64667
Microsoft Exchange Server Spoofing Vulnerability
- State
- Published
- Severity
- 5.3 Medium
- Published
- Dec 9, 2025
- Updated
- Apr 16, 2026
- Reserved
- Nov 6, 2025
Description
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | 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 | microsoft |
Weaknesses
- CWE-451 User Interface (UI) Misrepresentation of Critical Information
Affected Products
| Product | Versions |
|---|---|
Microsoft Exchange Server 2016 Cumulative Update 23Microsoft |
|
Microsoft Exchange Server 2019 Cumulative Update 14Microsoft |
|
Microsoft Exchange Server 2019 Cumulative Update 15Microsoft |
|
Microsoft Exchange Server Subscription Edition RTMMicrosoft |
|
References
- Microsoft Exchange Server Spoofing Vulnerabilityvendor-advisorypatch
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