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Windows 10 Version 21H2 — Vulnerabilities & Security Advisories 85

All 85 CVE vulnerabilities found in Windows 10 Version 21H2, with AI-generated Chinese analysis, references, and POCs.

This page serves as a comprehensive vulnerability aggregation resource for Microsoft Windows 10 Version 21H2, focusing on Common Weakness Enumerations (CWE) specific to this operating system release. The collected data encompasses a wide array of security flaws, including privilege escalation vectors, memory corruption issues, and remote code execution vulnerabilities that have been disclosed by vendors and researchers. The repository covers vulnerability disclosures dating back to the initial release of the 21H2 build through subsequent cumulative updates and extended security guidance, ensuring a historical perspective on security patching trends. Here, users can effectively track Microsoft’s official advisories to monitor patch availability and deployment urgency for critical patches. Furthermore, the aggregated information allows security professionals to deeply understand specific weakness classes affecting this environment, facilitating better risk assessment and mitigation strategies. The page also enables administrators to look up the product’s complete vulnerability history, providing insight into recurring issues and the evolution of security controls over time. This centralized approach simplifies the management of security posture by consolidating disparate sources into a single, coherent view. By reviewing these aggregated findings, teams can prioritize remediation efforts more effectively and ensure compliance with internal security policies. The structured presentation of data supports informed decision-making regarding system hardening and update schedules without requiring manual compilation of individual reports.

Vendor: Microsoft

CVE IDTitleCVSSSeverityPublished
CVE-2026-58598 Windows Backup Service Elevation of Privilege Vulnerability CWE-362 7.0 High2026-07-16
CVE-2026-58626 Windows Remote Desktop Services Remote Code Execution Vulnerability CWE-416 8.8 High2026-07-14
CVE-2026-54124 Windows Terminal Remote Code Execution Vulnerability CWE-190 7.8 High2026-07-14
CVE-2026-56184 Win32k Information Disclosure Vulnerability CWE-200 5.5 Medium2026-07-14
CVE-2026-56168 Windows SMB Server Denial of Service Vulnerability CWE-476 6.5 Medium2026-07-14
CVE-2026-50682 Active Directory Denial of Service Vulnerability CWE-125 7.1 High2026-07-14
CVE-2026-50486 Windows Runtime Elevation of Privilege Vulnerability CWE-416 7.8 High2026-07-14
CVE-2026-50459 Windows Kernel Elevation of Privilege Vulnerability CWE-416 7.0 High2026-07-14
CVE-2026-50406 Windows Backup Engine Elevation of Privilege Vulnerability CWE-416 7.0 High2026-07-14
CVE-2026-50399 Windows Kernel Elevation of Privilege Vulnerability CWE-125 7.8 High2026-07-14
CVE-2026-50423 Windows Kernel Elevation of Privilege Vulnerability CWE-284 7.8 High2026-07-14
CVE-2026-50434 Windows Push Notification Information Disclosure Vulnerability CWE-200 5.5 Medium2026-07-14
CVE-2026-50425 Windows Internal System User Profile Elevation of Privilege Vulnerability CWE-416 7.8 High2026-07-14
CVE-2026-50326 Windows Unified Consent System Elevation of Privilege Vulnerability CWE-416 7.8 High2026-07-14
CVE-2026-50360 Windows SMB Server Elevation of Privilege Vulnerability CWE-303 8.8 High2026-07-14
CVE-2026-50302 Windows Cryptographic Services Security Feature Bypass Vulnerability CWE-295 4.2 Medium2026-07-14
CVE-2026-50364 Windows Backup Service Elevation of Privilege Vulnerability CWE-59 7.3 High2026-07-14
CVE-2026-50381 Composite Image File System driver (cimfs.sys) Information Disclosure Vulnerability CWE-843 5.5 Medium2026-07-14
CVE-2026-50350 Windows Trusted Runtime Interface Driver Information Disclosure Vulnerability CWE-200 5.5 Medium2026-07-14
CVE-2026-50293 Windows Internal Task Bar Elevation of Privilege Vulnerability CWE-416 7.8 High2026-07-14
CVE-2026-50316 Windows Kernel Information Disclosure Vulnerability CWE-532 5.5 Medium2026-07-14
CVE-2026-49175 Windows DNS Client Elevation of Privilege Vulnerability CWE-122 7.8 High2026-07-14
CVE-2026-42993 Remote Desktop Client Remote Code Execution Vulnerability CWE-122 7.5 High2026-06-09
CVE-2026-42915 Microsoft Windows VMSwitch Denial of Service Vulnerability CWE-131 5.5 Medium2026-06-09
CVE-2026-42906 Windows Shell Information Disclosure Vulnerability CWE-200 5.5 Medium2026-06-09
CVE-2026-42904 Windows TCP/IP Elevation of Privilege Vulnerability CWE-122 9.6 Critical2026-06-09
CVE-2026-45641 Windows Hyper-V Remote Code Execution Vulnerability CWE-843 8.4 High2026-06-09
CVE-2026-45640 Windows Bluetooth Port Driver Elevation of Privilege Vulnerability CWE-416 7.0 High2026-06-09
CVE-2026-45487 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability CWE-367 7.8 High2026-06-09
CVE-2026-41088 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability CWE-73 7.8 High2026-05-12

All 85 known CVE vulnerabilities affecting Windows 10 Version 21H2 with full Chinese analysis, references, and POCs where available.