CVE-2026-0390

EUVD-2026-22350
Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.7 MEDIUM
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_1607
𝑥
< 10.0.14393.9060
microsoftwindows_10_1607
𝑥
< 10.0.14393.9060
microsoftwindows_10_1809
𝑥
< 10.0.17763.8644
microsoftwindows_10_1809
𝑥
< 10.0.17763.8644
microsoftwindows_10_21h2
𝑥
< 10.0.19044.7184
microsoftwindows_10_21h2
𝑥
< 10.0.19044.7184
microsoftwindows_10_21h2
𝑥
< 10.0.19044.7184
microsoftwindows_10_22h2
𝑥
< 10.0.19045.7184
microsoftwindows_10_22h2
𝑥
< 10.0.19045.7184
microsoftwindows_10_22h2
𝑥
< 10.0.19045.7184
microsoftwindows_server_2016
𝑥
< 10.0.14393.9060
microsoftwindows_server_2019
𝑥
< 10.0.17763.8644
microsoftwindows_server_2022
𝑥
< 10.0.20348.5020
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
1607 (x64, x86)
1809 (x64, x86)
21H2 (arm64, x64, x86)
22H2 (arm64, x64, x86)
Windows Server 2016
Server Core
Standard
Windows Server 2019
Server Core
Standard
Windows Server 2022
Server Core
Standard