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7.5 High

CVE-2026-23674 Improper resolution of path equivalence in Windows MapUrlToZone allows an unauthorized attacker to bypass a security…

Description

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

Affected products and versions

Product Affected versions Fixed in
Windows 10 Version 1607 10.0 10.0.14393.0 → < 10.0.14393.8957 10.0.14393.8957
Windows 10 Version 1809 10.0 10.0.17763.0 → < 10.0.17763.8511 10.0.17763.8511
Windows 10 Version 21H2 10.0 10.0.19044.0 → < 10.0.19044.7058 10.0.19044.7058
Windows 10 Version 22H2 10.0 10.0.19045.0 → < 10.0.19045.7058 10.0.19045.7058
Windows 11 version 22H3 10.0 10.0.22631.0 → < 10.0.22631.6783 10.0.22631.6783
Windows 11 Version 23H2 10.0 10.0.22631.0 → < 10.0.22631.6783 10.0.22631.6783
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.8037 10.0.26100.8037
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.8037 10.0.26200.8037
Windows 11 version 26H1 10.0 10.0.28000.0 → < 10.0.28000.1719 10.0.28000.1719
Show the 12 other branches
Product Affected versions Fixed in
Windows Server 2012 6.2 6.2.9200.0 → < 6.2.9200.25973 6.2.9200.25973
Windows Server 2012 (Server Core installation) 6.2 6.2.9200.0 → < 6.2.9200.25973 6.2.9200.25973
Windows Server 2012 R2 6.3 6.3.9600.0 → < 6.3.9600.23074 6.3.9600.23074
Windows Server 2012 R2 (Server Core installation) 6.3 6.3.9600.0 → < 6.3.9600.23074 6.3.9600.23074
Windows Server 2016 10.0 10.0.14393.0 → < 10.0.14393.8957 10.0.14393.8957
Windows Server 2016 (Server Core installation) 10.0 10.0.14393.0 → < 10.0.14393.8957 10.0.14393.8957
Windows Server 2019 10.0 10.0.17763.0 → < 10.0.17763.8511 10.0.17763.8511
Windows Server 2019 (Server Core installation) 10.0 10.0.17763.0 → < 10.0.17763.8511 10.0.17763.8511
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.4893 10.0.20348.4893
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 10.0.25398.0 → < 10.0.25398.2207 10.0.25398.2207
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.32522 10.0.26100.32522
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.32522 10.0.26100.32522

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