Skip to content
Fencer Vulns
medium 6.5

CVE-2025-50154 json

Microsoft Windows File Explorer Spoofing Vulnerability

published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24355

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
31.8%
EPSS 31.8% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

Patch / fix

  • Microsoft Windows 10 Version 1507 10.0.10240.21100
  • Microsoft Windows 10 Version 1607 10.0.14393.8330
  • Microsoft Windows 10 Version 1809 10.0.17763.7678
  • Microsoft Windows 10 Version 21H2 10.0.19044.6216
  • Microsoft Windows 10 Version 22H2 10.0.19045.6216
  • Microsoft Windows 11 version 22H2 10.0.22621.5768
  • Microsoft Windows 11 version 22H3 10.0.22631.5768
  • Microsoft Windows 11 Version 23H2 10.0.22631.5768
  • Microsoft Windows 11 Version 24H2 10.0.26100.4946
  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.27872
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.27872
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.23471
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.23471
  • Microsoft Windows Server 2012 6.2.9200.25622
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.25622
  • Microsoft Windows Server 2012 R2 6.3.9600.22725
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.22725
  • Microsoft Windows Server 2016 10.0.14393.8330
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.8330
  • Microsoft Windows Server 2019 10.0.17763.7678
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.7678
  • Microsoft Windows Server 2022 10.0.20348.4052
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1791
  • Microsoft Windows Server 2025 10.0.26100.4946
  • Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.4946

Timeline

  1. Published
  2. First public exploit (EDB-52415)

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

31.77% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-52415 Microsoft Windows 10.0.19045 - NTLMv2 Hash Disclosure remote, 2025-08-18
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2025-50154-detection-script-zero-click-windows-file-explorer-spoofing-vulnerability referenced PoC, tagged "exploit" by a source, unverified
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2025-50154-mitigation-script-zero-click-windows-file-explorer-spoofing-vulnerability referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.5 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
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

  • Microsoft Windows 10 Version 1507
  • Microsoft Windows 10 Version 1607
  • Microsoft Windows 10 Version 1809
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 10 Version 22H2
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 11 version 22H3
  • Microsoft Windows 11 Version 23H2
  • Microsoft Windows 11 Version 24H2
  • Microsoft Windows Server 2008 R2 Service Pack 1
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 (Server Core installation)
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2012 R2 (Server Core installation)
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows Server 2022
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • Microsoft Windows Server 2025
  • Microsoft Windows Server 2025 (Server Core installation)

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.