CVE-2025-21247

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

• microsoft windows 10 1507 (< 10.0.10240.20947) • microsoft windows 10 1607 (< 10.0.14393.7876) • microsoft windows 10 1809 (< 10.0.17763.7009) • microsoft windows 10 21h2 (< 10.0.19044.5608) • microsoft windows 10 22h2 (< 10.0.19045.5608) • microsoft windows 11 22h2 (< 10.0.22621.5039) • microsoft windows 11 23h2 (< 10.0.22631.5039) • microsoft windows 11 24h2 (< 10.0.26100.3403) • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.7876) • microsoft windows server 2019 (< 10.0.17763.7009) • microsoft windows server 2022 (< 10.0.20348.3270) • microsoft windows server 2022 23h2 (< 10.0.25398.1486) • microsoft windows server 2025 (< 10.0.26100.3403)