CVE-2026-45585

Published: Mag 20, 2026 Last Modified: Mag 20, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,8
Source: [email protected]
Attack Vector: physical
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

Microsoft is aware of a security feature bypass vulnerability in Windows publicly referred to as "YellowKey". The proof of concept for this vulnerability has been made public violating coordinated vulnerability best practices.
We are issuing this CVE to provide mitigation guidance that can be implemented to protect against this vulnerability until the security update is made available.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0008
Percentile
0,2th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML
Likelihood of Exploit: High
View CWE Details
Operating System

Windows 11 24H2 by Microsoft

Product Information
Vendor Microsoft
Product Windows 11 24H2
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows Server 2025 by Microsoft

Product Information
Vendor Microsoft
Product Windows Server 2025
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 11 25H2 by Microsoft

Product Information
Vendor Microsoft
Product Windows 11 25H2
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Windows 11 26H1 by Microsoft

Product Information
Vendor Microsoft
Product Windows 11 26H1
cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/Nightmare-Eclipse/YellowKey
https://github.com/Nightmare-Eclipse/YellowKey
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2…
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45585