Vulnerability in Microsoft Windows 10 1507

CVE-2025-21278

Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability

Vulnerability class: Race Condition

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% 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-2025-21278: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21278?
CVE-2025-21278 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.2/10. Published 2025-01-14.
How severe is CVE-2025-21278?
Medium severity. CVSS v3 base score is 6.2 out of 10.