CVE-2025-64666
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-12-09
Last updated on: 2025-12-09
Assigner: Microsoft Corporation
Description
Description
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | exchange_server | 3.1 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an improper input validation issue in Microsoft Exchange Server that allows an authorized attacker to elevate their privileges over a network.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can gain higher privileges than intended, potentially leading to full control over the affected Microsoft Exchange Server, which can compromise confidentiality, integrity, and availability of data.
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