CVE-2025-53782
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Publication date: 2025-10-14

Last updated on: 2026-06-15

Assigner: Microsoft Corporation

Description
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
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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
CVE-2025-53782
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-303 The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.
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Executive Summary

This vulnerability is due to an incorrect implementation of the authentication algorithm in Microsoft Exchange Server, which allows an unauthorized attacker to locally elevate their privileges.

Impact Analysis

An attacker exploiting this vulnerability can gain higher privileges on the affected Microsoft Exchange Server without authorization, potentially leading to full control over the system and compromising confidentiality, integrity, and availability of data.

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