Skip to content
Fencer Vulns
medium 4.3

CVE-2025-54107 json

MapUrlToZone Security Feature Bypass Vulnerability

published 2025-09-09 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-27311

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security feature over a network.

Patch / fix

  • Microsoft Windows 10 Version 1507 10.0.10240.21128
  • Microsoft Windows 10 Version 1607 10.0.14393.8422
  • Microsoft Windows 10 Version 1809 10.0.17763.7792
  • Microsoft Windows 10 Version 21H2 10.0.19044.6332
  • Microsoft Windows 10 Version 22H2 10.0.19045.6332
  • Microsoft Windows 11 version 22H2 10.0.22621.5909
  • Microsoft Windows 11 version 22H3 10.0.22631.5909
  • Microsoft Windows 11 Version 23H2 10.0.22631.5909
  • Microsoft Windows 11 Version 24H2 10.0.26100.6584
  • Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.27929
  • Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.27929
  • Microsoft Windows Server 2008 Service Pack 2 6.0.6003.23529
  • Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.23529
  • Microsoft Windows Server 2012 6.2.9200.25675
  • Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.25675
  • Microsoft Windows Server 2012 R2 6.3.9600.22774
  • Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.22774
  • Microsoft Windows Server 2016 10.0.14393.8422
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.8422
  • Microsoft Windows Server 2019 10.0.17763.7792
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.7792
  • Microsoft Windows Server 2022 10.0.20348.4171
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1849
  • Microsoft Windows Server 2025 10.0.26100.6584
  • Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.6584

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
13 mo ago

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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-41 Improper Resolution of Path Equivalence

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.