Home

Description

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

PUBLISHED Reserved 2024-12-10 | Published 2025-03-11 | Updated 2025-12-17 | Assigner microsoft




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Problem types

CWE-41: Improper Resolution of Path Equivalence

Product status

10.0.26100.0 (custom) before 10.0.26100.3476
affected

10.0.26100.0 (custom) before 10.0.26100.3476
affected

10.0.17763.0 (custom) before 10.0.17763.7009
affected

10.0.17763.0 (custom) before 10.0.17763.7009
affected

10.0.17763.0 (custom) before 10.0.17763.7009
affected

10.0.20348.0 (custom) before 10.0.20348.3328
affected

10.0.19044.0 (custom) before 10.0.19044.5608
affected

10.0.22621.0 (custom) before 10.0.22621.5039
affected

10.0.19045.0 (custom) before 10.0.19045.5608
affected

10.0.22631.0 (custom) before 10.0.22631.5039
affected

10.0.22631.0 (custom) before 10.0.22631.5039
affected

10.0.25398.0 (custom) before 10.0.25398.1486
affected

10.0.26100.0 (custom) before 10.0.26100.3476
affected

10.0.10240.0 (custom) before 10.0.10240.20947
affected

10.0.14393.0 (custom) before 10.0.14393.7876
affected

10.0.14393.0 (custom) before 10.0.14393.7876
affected

10.0.14393.0 (custom) before 10.0.14393.7876
affected

6.0.6003.0 (custom) before 6.0.6003.23168
affected

6.0.6003.0 (custom) before 6.0.6003.23168
affected

6.0.6003.0 (custom) before 6.0.6003.23168
affected

6.1.7601.0 (custom) before 6.1.7601.27618
affected

6.1.7601.0 (custom) before 6.1.7601.27618
affected

6.2.9200.0 (custom) before 6.2.9200.25368
affected

6.2.9200.0 (custom) before 6.2.9200.25368
affected

6.3.9600.0 (custom) before 6.3.9600.22470
affected

6.3.9600.0 (custom) before 6.3.9600.22470
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21247 (MapUrlToZone Security Feature Bypass Vulnerability) vendor-advisory

cve.org (CVE-2025-21247)

nvd.nist.gov (CVE-2025-21247)

Download JSON