CVE-2026-0390
medium
Microsoft CVSS v3 Base Score
6.7
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS Score
0.1%
Exploitation probability in 30 days
Top 75% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: April 14, 2026 (29 days ago)
Last Modified: April 24, 2026
Vendor: Microsoft
Source: MITRE
Vulnerability Report
Generated by CyberWatcher
Description
Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.
CWE
CWE-807Affected Products
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21H2Microsoft Windows 10 Version 22H2Microsoft Windows Server 2016Microsoft Windows Server 2016 (Server Core installation)Microsoft Windows Server 2019Microsoft Windows Server 2019 (Server Core installation)Microsoft Windows Server 2022