6.8

CVE-2025-21211: microsoft windows_10_1507 Protection Mechanism Failure

CVSS: 6.8v3.1MediumAnalyzed
Published 14-01-2025Last modified 09-06-2026
Open JSON

Vulnerability summary

CVE-2025-21211 is a medium (CVSS 6.8) Protection Mechanism Failure vulnerability in microsoft windows_10_1507. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.5% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.78%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-01-2025
    PublishedVulnerability first disclosed.
  2. 09-06-2026
    Last modifiedVulnerability information updated.

Description

Secure Boot Security Feature Bypass Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.78%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

+0.01 pp

From 0.77% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.78%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft30 products

1 vendor · 30 products

References

1 links