CVE-2026-0390
MEDIUMUEFI Secure Boot Security Feature Bypass Vulnerability
Title source: cnaDescription
Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.
Scores
CVSS v3
6.7
EPSS
0.0008
EPSS Percentile
24.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-807
Status
published
Products (16)
Microsoft/Windows 10 Version 1607
10.0.14393.0 - 10.0.14393.9060
Microsoft/Windows 10 Version 1809
10.0.17763.0 - 10.0.17763.8644
Microsoft/Windows 10 Version 21H2
10.0.19044.0 - 10.0.19044.7184
Microsoft/Windows 10 Version 22H2
10.0.19045.0 - 10.0.19045.7184
Microsoft/Windows Server 2016
10.0.14393.0 - 10.0.14393.9060
Microsoft/Windows Server 2016 (Server Core installation)
10.0.14393.0 - 10.0.14393.9060
Microsoft/Windows Server 2019
10.0.17763.0 - 10.0.17763.8644
Microsoft/Windows Server 2019 (Server Core installation)
10.0.17763.0 - 10.0.17763.8644
Microsoft/Windows Server 2022
10.0.20348.0 - 10.0.20348.5020
microsoft/windows_10_1607
< 10.0.14393.9060 (2 CPE variants)
... and 6 more
Published
Apr 14, 2026
Tracked Since
Apr 14, 2026