CVE-2026-0390

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 33/100
Published: 2026-04-14 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: High
UI: None
S: Unchanged
C: High
I: High
A: High

Description

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

Weakness Classification (1)

Affected Software (13)

VendorProductVersion
microsoft windows_10_1607 < 10.0.14393.9060
microsoft windows_10_1607 < 10.0.14393.9060
microsoft windows_10_1809 < 10.0.17763.8644
microsoft windows_10_1809 < 10.0.17763.8644
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_21h2 < 10.0.19044.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_10_22h2 < 10.0.19045.7184
microsoft windows_server_2016 < 10.0.14393.9060
microsoft windows_server_2019 < 10.0.17763.8644
microsoft windows_server_2022 < 10.0.20348.5020

References & Advisories (1)

Bug Bounty Relevance

33 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

6.7 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.32%
Raw Score 0.003180
Percentile 24.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00318
2026-10-28
0.00318

Intelligence Sources

nvd ref →