Name: CVE-2026-0390: Reliance on Untrusted Inputs in a Security Decision
Creator: Rapid7
Published: 2026-04-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-0390, CWE-807, CVSS 6.7, EPSS 0.00318

Reliance on untrusted inputs in a security decision in Windows Boot Loader allows an authorized attacker to bypass a security feature locally.

CVSS Details

CVSS 3.1 Base Score: 6.7
CVSS 3.1 Vector: (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)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Microsoft Windows	—	2026-04 Cumulative Update for Microsoft Windows Server 2019, version 1809 (KB5082123)2026-04 Cumulative Update for Microsoft Windows 10, version 1607 (KB5082198)2026-04 Cumulative Update for Microsoft Windows 10, version 1809 (KB5082123)2026-04 Cumulative Update for Microsoft Windows 10, version 22H2 (KB5082200)2026-04 Cumulative Update for Microsoft Windows Server 2016, version 1607 (KB5082198)2026-04 Cumulative Update for Microsoft Windows Server 2022, version 21H2 (KB5082142)2026-04 Cumulative Update for Microsoft Windows Server 2022, version 22H2 (KB5082142)2026-04 Cumulative Update for Microsoft Windows 10, version 21H2 (KB5082200)	Apr 14, 2026	Apr 14, 2026

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CVSS Details

Covered by Rapid7

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