CVE-2025-21299: microsoft windows_10_1507
CVSS: 7.8v3.1HighAnalyzed
Published 14-01-2025Last modified 09-06-2026
Vulnerability summary
CVE-2025-21299 is a high (CVSS 7.8) vulnerability in microsoft windows_10_1507. EPSS estimates a 2.23% chance of exploitation in the next 30 days, higher than 82.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
2.23%
0%100%
Low · +0.02 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 Kerberos Security Feature Bypass Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.1–7.8
- CVE.orgCNA7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:CDiffers
EPSS trend
Probability
2.23%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
+0.02 pp
From 2.21% on 21-09-2026
21-09-202621-10-2026
EPSS score2.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft26 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 · 26 products
