CVE-2025-21197: microsoft windows_10_1507 Improper Access Control
CVSS: 6.5v3.1MediumAnalyzed
Published 08-04-2025Last modified 10-08-2026
Vulnerability summary
CVE-2025-21197 is a medium (CVSS 6.5) Improper Access Control vulnerability in microsoft windows_10_1507. EPSS estimates a 3.25% chance of exploitation in the next 30 days, higher than 88.1% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
3.25%
0%100%
Low · +0.06 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-04-2025PublishedVulnerability first disclosed.
- 10-08-2026Last modifiedVulnerability information updated.
Description
Improper access control in Windows NTFS allows an authorized attacker to disclose file path information under a folder where the attacker doesn't have permission to list content.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
3.25%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
+0.06 pp
From 3.20% on 18-09-2026
18-09-202618-10-2026
EPSS score3.25%
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< 10.0.10240.20978
- windows_10_1607< 10.0.14393.7969
- windows_10_1809< 10.0.17763.7136
- windows_10_21h2< 10.0.19044.5737
- windows_10_22h2< 10.0.19045.5737
1 vendor · 35 products