CVE-2025-64667
MEDIUMCVSS 5.3/10EPSS 0.82%
Last modified
CVE-2025-64667 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.. EPSS estimates a 0.82% chance of exploitation in the next 30 days.
Description
User interface (ui) misrepresentation of critical information in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Exchange Server | 2016 |
| Microsoft | Exchange Server | 2019 |
| Microsoft | Exchange Server Subscription Edition | < 15.02.2562.035 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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.
How severe is CVE-2025-64667?
CVE-2025-64667 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2025-64667?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-64667?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST