CVE-2025-59249
Analyzed Analyzed - Analysis Complete
BaseFortify

Publication date: 2025-10-14

Last updated on: 2026-06-15

Assigner: Microsoft Corporation

Description
Weak authentication in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVSS Scores
EPSS Scores
Probability:
Percentile:
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-2025-59249
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)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-NVD-CWE-noinfo
CWE-1390 The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a weakness in the authentication mechanism of Microsoft Exchange Server that allows an authorized attacker to elevate their privileges over a network.

Impact Analysis

An attacker exploiting this vulnerability can gain higher privileges than intended, potentially leading to full control over the affected Microsoft Exchange Server, which can result in data compromise, service disruption, and unauthorized actions.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-59249. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart