Medium severity · published Aug 12, 2025
CVE-2025-50154
Microsoft Windows File Explorer Spoofing Vulnerability
6.5
CVSS
30%
EPSS
No
On KEV
Description
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)30.0% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
W1
Windows 10 Version 1507 · Microsoft
10.0.10240.0 before 10.0.10240.21100 · source: vendor
W1
Windows 10 Version 1607 · Microsoft
10.0.14393.0 before 10.0.14393.8330 · source: vendor
W1
Windows 10 Version 1809 · Microsoft
10.0.17763.0 before 10.0.17763.7678 · source: vendor
W1
Windows 10 Version 21H2 · Microsoft
10.0.19044.0 before 10.0.19044.6216 · source: vendor
W1
Windows 10 Version 22H2 · Microsoft
10.0.19045.0 before 10.0.19045.6216 · source: vendor
W1
Windows 11 Version 23H2 · Microsoft
10.0.22631.0 before 10.0.22631.5768 · source: vendor
W1
Windows 11 Version 24H2 · Microsoft
10.0.26100.0 before 10.0.26100.4946 · source: vendor
W1
Windows 11 version 22H2 · Microsoft
10.0.22621.0 before 10.0.22621.5768 · source: vendor
W1
Windows 11 version 22H3 · Microsoft
10.0.22631.0 before 10.0.22631.5768 · source: vendor
WS
Windows Server 2008 R2 Service Pack 1 · Microsoft
6.1.7601.0 before 6.1.7601.27872 · source: vendor
WS
Windows Server 2008 R2 Service Pack 1 (Server Core installation) · Microsoft
6.1.7601.0 before 6.1.7601.27872 · source: vendor
WS
Windows Server 2008 Service Pack 2 · Microsoft
6.0.6003.0 before 6.0.6003.23471 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-50154
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-50154
Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50154
cymulate.com
https://cymulate.com/blog/zero-click-one-ntlm-microsoft-security-patch-bypass-cve-2025-50154/
github.com
https://github.com/rubenformation/CVE-2025-50154/
Exploit
https://www.vicarius.io/vsociety/posts/cve-2025-50154-detection-script-zero-click-windows-file-explorer-spoofing-vulnerability
Exploit
https://www.vicarius.io/vsociety/posts/cve-2025-50154-mitigation-script-zero-click-windows-file-explorer-spoofing-vulnerability
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