CVE-2025-21247

VendormicrosoftProductwindows server 2008, windows 10 1507, windows server 2012, windows 10 1607, windows 10 1809, windows 10 21h2, windows 10 22h2, windows 11 24h2, windows server 2016, windows server 2019, windows server 2022, windows server 2025, windows 11 23h2, windows 11 22h2, windows server 2022 23h2DiscoveredMar 11, 2025UpdatedJul 3, 2025

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

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CVSS v3.1

4.3 MEDIUM

EPSS

3.05%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

EPSS Trend

Aug 16, 2026 → Oct 5, 2026

▼ 0.19pp

3.24% → 3.05% over 3 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

ScopeUNCHANGED

ConfidentialityLOW

IntegrityNONE

AvailabilityNONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Connections

16 relationships