CVE-2025-59284: Windows NTLM Spoofing Vulnerability

Published Oct 14, 2025
·
Updated

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

Affected Software

15 affected componentsFixes available
Microsoft Windows 11=23H2
Microsoft Windows 11=24H2
Microsoft Windows 11=24H2
Microsoft Windows Server 2025
Microsoft Windows 11=23H2
Microsoft Windows 11=25H2
Microsoft Windows Server 2025
Microsoft Windows 11=22H2
Microsoft Windows 11=25H2
Microsoft Windows 11=22H2
Microsoft Windows 11 22h2<10.0.22621.6060
Microsoft Windows 11 23h2<10.0.22631.6060
Microsoft Windows 11 24h2<10.0.26100.6899
Microsoft Windows 11 25h2<10.0.26200.6899
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-2025-59284?

CVE-2025-59284 is considered a critical vulnerability as it allows unauthorized actors to perform NTLM spoofing, potentially leading to exposure of sensitive information.

2

How do I fix CVE-2025-59284?

To fix CVE-2025-59284, apply the latest security patches provided by Microsoft for the affected versions of Windows 11 and Windows Server 2025.

3

What versions of Windows are affected by CVE-2025-59284?

CVE-2025-59284 affects various versions of Windows 11 including 22H2, 23H2, 24H2, and 25H2, as well as Windows Server 2025.

4

Can CVE-2025-59284 be exploited remotely?

CVE-2025-59284 is primarily a local exploitation vulnerability, meaning unauthorized actors need local access to exploit it.

5

What are the potential impacts of CVE-2025-59284?

The potential impacts of CVE-2025-59284 include unauthorized access to sensitive information and possible spoofing of identity in NTLM authentication.

Contact

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