Windows File Explorer: Windows File Explorer spoofing vulnerability (CVE-2025-24071) #shorts

Summary

Welcome to today's podcast episode where we delve into CVE-2025-24071, a critical vulnerability discovered in Microsoft Windows File Explorer. This vulnerability has garnered attention due to its exploitation in the wild and the release of a proof of concept.

Product details

The affected products include a range of Microsoft operating systems such as Windows 10 (versions 1507, 1607, 1809, 21H2, 22H2), Windows 11 (versions 22H2, 22H3, 23H2, 24H2), and Windows Server versions ranging from 2012 R2 to 2025, both standard and Server Core installations. These versions are susceptible if they have not been updated past certain build numbers.

Vulnerability type summary

This vulnerability is categorized under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor. It grants unauthorized users the ability to exploit sensitive information leaks within the Windows File Explorer, potentially leading to unauthorized network-based spoofing attacks.

Details of the vulnerability

The core issue revolves around the exposure of sensitive information within Windows File Explorer, identifiable as CVE-2025-24071. This vulnerability allows attackers to capture NTLM hashes, a critical information disclosure that can be leveraged to perform network spoofing attacks without authorization. CERT detected this vulnerability, prompting a speedy fix from Microsoft. Despite this, it was observed that the vulnerability was actively exploited in the wild, with a proof of concept available, increasing the urgency for users to update their systems.

Conclusion

To mitigate the risks associated with CVE-2025-24071, it is crucial for organizations and individual users to ensure their systems are updated to the latest versions provided by Microsoft. This vulnerability's exploitation in the wild highlights the importance of timely updates to protect sensitive information and to prevent unauthorized access and potential attacks over a network.

Watch the full video on YouTube: CVE-2025-24071

Remediation and exploitation details

This chain involves the following actors

This following systems are involved

Attack entry point

Remediation actions

Exploitation actions

Related Content

NOTE: The following related content has not been vetted and may be unsafe.

CVE database technical details

CVE ID
CVE-2025-24071
Description
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.
Provider
microsoft
CWE / problem types
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Software Versions
Microsoft:Windows 10 Version 1809:[{'version': '10.0.17763.0', 'lessThan': '10.0.17763.7009', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2019:[{'version': '10.0.17763.0', 'lessThan': '10.0.17763.7009', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2019 (Server Core installation):[{'version': '10.0.17763.0', 'lessThan': '10.0.17763.7009', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2022:[{'version': '10.0.20348.0', 'lessThan': '10.0.20348.3328', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 10 Version 21H2:[{'version': '10.0.19044.0', 'lessThan': '10.0.19044.5608', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 11 version 22H2:[{'version': '10.0.22621.0', 'lessThan': '10.0.22621.5039', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 10 Version 22H2:[{'version': '10.0.19045.0', 'lessThan': '10.0.19045.5608', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2025 (Server Core installation):[{'version': '10.0.26100.0', 'lessThan': '10.0.26100.3476', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 11 version 22H3:[{'version': '10.0.22631.0', 'lessThan': '10.0.22631.5039', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 11 Version 23H2:[{'version': '10.0.22631.0', 'lessThan': '10.0.22631.5039', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2022, 23H2 Edition (Server Core installation):[{'version': '10.0.25398.0', 'lessThan': '10.0.25398.1486', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 11 Version 24H2:[{'version': '10.0.26100.0', 'lessThan': '10.0.26100.3476', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2025:[{'version': '10.0.26100.0', 'lessThan': '10.0.26100.3476', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 10 Version 1507:[{'version': '10.0.10240.0', 'lessThan': '10.0.10240.20947', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows 10 Version 1607:[{'version': '10.0.14393.0', 'lessThan': '10.0.14393.7876', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2016:[{'version': '10.0.14393.0', 'lessThan': '10.0.14393.7876', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2016 (Server Core installation):[{'version': '10.0.14393.0', 'lessThan': '10.0.14393.7876', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2012 R2:[{'version': '6.3.9600.0', 'lessThan': '6.3.9600.22470', 'versionType': 'custom', 'status': 'affected'}],Microsoft:Windows Server 2012 R2 (Server Core installation):[{'version': '6.3.9600.0', 'lessThan': '6.3.9600.22470', 'versionType': 'custom', 'status': 'affected'}]
Date Published
2025-03-11T16:59:14.678Z
Last Updated
2025-04-29T22:06:42.998Z