CVE-2025-21215: microsoft windows_10_1507 Out-of-bounds Read
CVSS: 4.6v3.1MediumAnalyzed
Published 14-01-2025Last modified 09-06-2026
Vulnerability summary
CVE-2025-21215 is a medium (CVSS 4.6) Out-of-bounds Read vulnerability in microsoft windows_10_1507. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.4% of scored vulnerabilities.
CVSS score
4.6/10
010
Medium · v3.1 (CVE.org)EPSS score
0.82%
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
Secure Boot Security Feature Bypass Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.6Preferred score · CVE.org (CNA)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.82%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.82% on 19-09-2026
19-09-202619-10-2026
EPSS score0.82%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft35 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 · 35 products
