Vulnerability in Microsoft Windows 10 1507

CVE-2025-21211

Secure Boot Security Feature Bypass Vulnerability

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% 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-2025-21211: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21211?
CVE-2025-21211 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under Protection Mechanism Failure. CVSS score: 6.8/10. Published 2025-01-14.
How severe is CVE-2025-21211?
Medium severity. CVSS v3 base score is 6.8 out of 10.