Microsoft Windows File Explorer Spoofing Vulnerability
40Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.5epss 26%
from disclosure to weapon1 days
Published on NVDAug 12
1st PoC+1d
exploitation probability
26%top 2% of all CVEs
observed exploitation
nono source reports it
4 public exploit(s)
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)public PoCs found — 4
exploitdbwww.exploit-db.com/exploits/52415unverifiedgithubgithub.com/rubenformation/CVE-2025-50154★ 55githubgithub.com/zenzue/CVE-2025-50154★ 3githubgithub.com/Ash1996x/CVE-2025-50154-Aggressor-Script★ 1⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://cymulate.com/blog/zero-click-one-ntlm-microsoft-security-patch-bypass-cve-2025-50154/https://github.com/rubenformation/CVE-2025-50154/https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50154https://www.vicarius.io/vsociety/posts/cve-2025-50154-detection-script-zero-click-windows-file-explorer-spoofing-vulnerabilityhttps://www.vicarius.io/vsociety/posts/cve-2025-50154-mitigation-script-zero-click-windows-file-explorer-spoofing-vulnerability