CVE-2025-59258: Windows Active Directory Federation Services (ADFS) Information Disclosure Vulnerability

Published Oct 14, 2025
·
Updated

Insertion of sensitive information into log file in Active Directory Federation Services allows an unauthorized attacker to disclose information locally.

Other sources

Windows Active Directory Federation Services (ADFS) Information Disclosure Vulnerability

Microsoft

Affected Software

20 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2016
Microsoft Windows Server 2012
Microsoft Windows Server 2016
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows Server 2025
Microsoft Windows Server 2022
Microsoft Windows Server 2025
Microsoft Windows Server 2022
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<=10.0.14393.8519
Microsoft Windows Server 2019<10.0.17763.7919
Microsoft Windows Server 2022<10.0.20348.4294
Microsoft Windows Server 2022 23h2<10.0.25398.1913
Microsoft Windows Server 2025<=10.0.26100.6899

Event History

Oct 14, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverity
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-59258?

CVE-2025-59258 is classified as an information disclosure vulnerability that could allow unauthorized access to sensitive information in log files.

2

How do I fix CVE-2025-59258?

To fix CVE-2025-59258, apply the latest patches provided by Microsoft for the affected Windows Server versions.

3

Which Windows Server versions are affected by CVE-2025-59258?

CVE-2025-59258 affects multiple versions of Windows Server, including 2012, 2016, 2019, 2022, and 2025.

4

What kind of information can be disclosed due to CVE-2025-59258?

CVE-2025-59258 may lead to the unauthorized disclosure of sensitive information contained in Active Directory Federation Services log files.

5

How can I determine if I am vulnerable to CVE-2025-59258?

You can determine vulnerability to CVE-2025-59258 by checking if your installation of Windows Server is among those affected and if you have applied the necessary security patches.

Contact

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