CVE-2025-21278: microsoft windows_10_1507 Race Condition
CVSS: 6.2v3.1MediumAnalyzed
Published 14-01-2025Last modified 09-06-2026
Vulnerability summary
CVE-2025-21278 is a medium (CVSS 6.2) Race Condition vulnerability in microsoft windows_10_1507. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.6% of scored vulnerabilities.
CVSS score
6.2/10
010
Medium · v3.1 (CVE.org)EPSS score
0.57%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-01-2025PublishedVulnerability first disclosed.
- 09-06-2026Last modifiedVulnerability information updated.
Description
Windows Remote Desktop Gateway (RD Gateway) Denial of Service Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSources2 sources · 5.5–6.2
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
0.00 pp
From 0.57% on 21-09-2026
21-09-202621-10-2026
EPSS score0.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft30 products
- windows_10_1507< 10.0.10240.20890
- windows_10_1607< 10.0.14393.7699
- windows_10_1809< 10.0.17763.6775
- windows_10_21h2< 10.0.19044.5371
- windows_10_22h2< 10.0.19045.5371
1 vendor · 30 products
