CVE-2025-59248
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Publication date: 2025-10-14

Last updated on: 2026-06-15

Assigner: Microsoft Corporation

Description
Improper input validation in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
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Meta Information
Published
2025-10-14
Last Modified
2026-06-15
Generated
2026-06-16
AI Q&A
2025-10-14
EPSS Evaluated
2026-06-15
NVD
Affected Vendors & Products
Showing 38 associated CPEs
Vendor Product Version / Range
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2019
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2016
microsoft exchange_server 2019
microsoft exchange_server 2019
microsoft exchange_server 2019
microsoft exchange_server_subscription_edition to 15.02.2562.029 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-NVD-CWE-noinfo
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.
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Executive Summary

This vulnerability is an improper input validation issue in Microsoft Exchange Server that allows an unauthorized attacker to perform spoofing over a network. Spoofing means the attacker can impersonate another user or system by manipulating input data that the server does not properly validate.

Impact Analysis

This vulnerability can impact you by allowing an attacker to spoof identities on the network, potentially leading to unauthorized access, phishing attacks, or misleading communications that appear to come from trusted sources. This can compromise security and trust within your network environment.

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