CVE-2025-64667

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

CVSS 3.1

5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-25)

CWE

CWE-451

Published

2025-12-09

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:exchange_server
• microsoft:exchange_server_subscription_edition

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64667

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