Vulnerability in Microsoft Windows 10 1507

CVE-2025-21189

MapUrlToZone Security Feature Bypass Vulnerability

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.030 (86.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-21189: held from 0.030 to 0.030.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21189?
CVE-2025-21189 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under CWE-41. CVSS score: 4.3/10. Published 2025-01-14.
How severe is CVE-2025-21189?
Medium severity. CVSS v3 base score is 4.3 out of 10.