CVE-2025-21247

Medium

Description

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

SeverityMedium
CVSS4.3
Exploit probability—
ProductMicrosoft Windows
PublishedMar 11, 2025
First seenMar 11, 2025
Weakness typeCWE-41CWE-41

How to fix

Update
  • microsoft windows_10_150710.0.10240.20947 or later
  • microsoft windows_10_160710.0.14393.7876 or later
  • microsoft windows_10_180910.0.17763.7009 or later
  • microsoft windows_10_21h210.0.19044.5608 or later
  • microsoft windows_10_22h210.0.19045.5608 or later
  • microsoft windows_11_22h210.0.22621.5039 or later
  • microsoft windows_11_23h210.0.22631.5039 or later
  • microsoft windows_11_24h210.0.26100.3403 or later
  • microsoft windows_server_201610.0.14393.7876 or later
  • microsoft windows_server_201910.0.17763.7009 or later
  • microsoft windows_server_202210.0.20348.3270 or later
  • microsoft windows_server_2022_23h210.0.25398.1486 or later

Affected products

ProductAffected versionsFixed in
microsoft windows_10_1507v < 10.0.10240.2094710.0.10240.20947
microsoft windows_10_1607v < 10.0.14393.787610.0.14393.7876
microsoft windows_10_1809v < 10.0.17763.700910.0.17763.7009
microsoft windows_10_21h2v < 10.0.19044.560810.0.19044.5608
microsoft windows_10_22h2v < 10.0.19045.560810.0.19045.5608
microsoft windows_11_22h2v < 10.0.22621.503910.0.22621.5039
microsoft windows_11_23h2v < 10.0.22631.503910.0.22631.5039
microsoft windows_11_24h2v < 10.0.26100.340310.0.26100.3403
microsoft windows_server_2008No range specified, r2—
microsoft windows_server_2012No range specified, r2—
microsoft windows_server_2016v < 10.0.14393.787610.0.14393.7876
microsoft windows_server_2019v < 10.0.17763.700910.0.17763.7009
microsoft windows_server_2022v < 10.0.20348.327010.0.20348.3270
microsoft windows_server_2022_23h2v < 10.0.25398.148610.0.25398.1486
microsoft windows_server_2025v < 10.0.26100.340310.0.26100.3403

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