CVE-2025-21367

EUVD-2025-2430
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
microsoftCNA
7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 38%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_1809
𝑥
< 10.0.17763.6893
microsoftwindows_10_1809
𝑥
< 10.0.17763.6893
microsoftwindows_10_21h2
𝑥
< 10.0.19044.5487
microsoftwindows_10_22h2
𝑥
< 10.0.19045.5487
microsoftwindows_11_22h2
𝑥
< 10.0.22621.4890
microsoftwindows_11_23h2
𝑥
< 10.0.22631.4890
microsoftwindows_11_24h2
𝑥
< 10.0.26100.3194
microsoftwindows_server_2019
𝑥
< 10.0.17763.6893
microsoftwindows_server_2022
𝑥
< 10.0.20348.3207
microsoftwindows_server_2022_23h2
𝑥
< 10.0.25398.1425
microsoftwindows_server_2025
𝑥
< 10.0.26100.3194
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
1809 (x64, x86)
21H2 (arm64, x64, x86)
22H2 (arm64, x64, x86)
Windows 11
22H2 (arm64, x64)
23H2 (arm64, x64)
24H2 (arm64, x64)
Windows Server 2019
Server Core
Standard
Windows Server 2022
23H2 Server Core
Server Core
Standard
Windows Server 2025
Server Core
Standard