CVE-2025-64667

MEDIUM
Published Dec 9, 2025 Modified Jan 2, 2026 CWE-451

Description

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

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CVSS v3.1 Score

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

Weakness Type (CWE)

CWE-451 CWE-451

Affected Products

Vendor Product
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server
microsoft exchange_server

References

Frequently Asked Questions

What is CVE-2025-64667? +
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network. It has a CVSS v3.1 base score of 5.3 (MEDIUM).
How severe is CVE-2025-64667? +
CVE-2025-64667 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-64667? +
CVE-2025-64667 affects products from microsoft, specifically: exchange_server. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-64667? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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