CVE-2025-53782
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-10-14
Last updated on: 2025-10-27
Assigner: Microsoft Corporation
Description
Description
Incorrect implementation of authentication algorithm in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | exchange_server | to 15.02.2562.029 (exc) |
| 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 | 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 | 2016 |
| microsoft | exchange_server | 2016 |
| microsoft | exchange_server | 2016 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
| microsoft | exchange_server | 2019 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-303 | The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect. |
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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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