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Windows 10 Version 21H2 — Vulnerabilities & Security Advisories 125

All 125 CVE vulnerabilities found in Windows 10 Version 21H2, with AI-generated Chinese analysis, references, and POCs.

This page aggregates security vulnerabilities for Windows 10 Version 21H2, a product by Microsoft, categorized by specific weakness types and relevant tags. It collects a comprehensive history of reported flaws in this operating system release, covering the full lifecycle of advisory publication dates and patch cycles. Readers can use this section to track Microsoft's security advisories, understand the prevalence of particular vulnerability classes such as buffer overflows or privilege escalation bugs, and review the complete vulnerability history for this specific Windows version. The data provides a structured view of how the product's security posture evolved over time, enabling users to identify recurring weakness patterns and assess the density of patches issued for this particular release. This aggregation serves as a reference point for analysts and security professionals seeking to evaluate the risk profile of Windows 10 Version 21H2 without navigating individual database entries.

Vendor: Microsoft

CVE ID Title CVSS Severity Published
CVE-2026-42906 Windows Shell Information Disclosure Vulnerability CWE-200 5.5 Medium 2026-06-09
CVE-2026-42904 Windows TCP/IP Elevation of Privilege Vulnerability CWE-122 9.6 Critical 2026-06-09
CVE-2026-45641 Windows Hyper-V Remote Code Execution Vulnerability CWE-843 8.4 High 2026-06-09
CVE-2026-45640 Windows Bluetooth Port Driver Elevation of Privilege Vulnerability CWE-416 7.0 High 2026-06-09
CVE-2026-45487 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability CWE-367 7.8 High 2026-06-09
CVE-2026-41088 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability CWE-73 7.8 High 2026-05-12
CVE-2026-33841 Windows Kernel Elevation of Privilege Vulnerability CWE-122 7.8 High 2026-05-12
CVE-2026-32155 Desktop Window Manager Elevation of Privilege Vulnerability CWE-416 7.8 High 2026-04-14
CVE-2026-26172 Windows Push Notifications Elevation of Privilege Vulnerability CWE-362 7.8 High 2026-04-14
CVE-2026-32218 Windows Kernel Information Disclosure Vulnerability CWE-532 5.5 Medium 2026-04-14
CVE-2026-32181 Connected User Experiences and Telemetry Service Denial of Service Vulnerability CWE-269 5.5 Medium 2026-04-14
CVE-2026-27931 Windows GDI Information Disclosure Vulnerability CWE-125 5.5 Medium 2026-04-14
CVE-2026-27924 Desktop Window Manager Elevation of Privilege Vulnerability CWE-416 7.8 High 2026-04-14
CVE-2026-27906 Windows Hello Security Feature Bypass Vulnerability CWE-20 4.4 Medium 2026-04-14
CVE-2026-26132 Windows Kernel Elevation of Privilege Vulnerability CWE-416 7.8 High 2026-03-10
CVE-2026-24293 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability CWE-476 7.8 High 2026-03-10
CVE-2026-24288 Windows Mobile Broadband Driver Remote Code Execution Vulnerability CWE-122 6.8 Medium 2026-03-10
CVE-2026-21237 Windows Subsystem for Linux Elevation of Privilege Vulnerability CWE-362 7.0 High 2026-02-10
CVE-2026-21242 Windows Subsystem for Linux Elevation of Privilege Vulnerability CWE-416 7.0 High 2026-02-10
CVE-2026-20871 Desktop Window Manager Elevation of Privilege Vulnerability CWE-416 7.8 High 2026-01-13
CVE-2026-20842 Microsoft DWM Core Library Elevation of Privilege Vulnerability CWE-416 7.0 High 2026-01-13
CVE-2026-20817 Windows Error Reporting Service Elevation of Privilege Vulnerability CWE-280 7.8 High 2026-01-13
CVE-2025-62463 DirectX Graphics Kernel Denial of Service Vulnerability CWE-476 6.5 Medium 2025-12-09
CVE-2025-64670 Windows DirectX Information Disclosure Vulnerability CWE-200 6.5 Medium 2025-12-09
CVE-2025-59289 Windows Bluetooth Service Elevation of Privilege Vulnerability CWE-415 7.0 High 2025-10-14
CVE-2025-58727 Windows Connected Devices Platform Service Elevation of Privilege Vulnerability CWE-362 7.0 High 2025-10-14
CVE-2025-55331 Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability CWE-416 7.0 High 2025-10-14
CVE-2025-53139 Windows Hello Security Feature Bypass Vulnerability CWE-319 7.7 High 2025-10-14
CVE-2025-59290 Windows Bluetooth Service Elevation of Privilege Vulnerability CWE-416 7.8 High 2025-10-14
CVE-2025-55689 Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability CWE-416 7.0 High 2025-10-14

All 125 known CVE vulnerabilities affecting Windows 10 Version 21H2 with full Chinese analysis, references, and POCs where available.