CVE-2026-20930— Windows Management Services Elevation of Privilege Vulnerability
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I. Basic Information for CVE-2026-20930
Vulnerability Information
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Vulnerability Title
Windows Management Services Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows Management Services存在竞争条件问题漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows Server 2019,Windows Server 2019
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ~ 10.0.17763.8644 | - | |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 ~ 10.0.19044.7184 | - | |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 ~ 10.0.19045.7184 | - | |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 ~ 10.0.22631.6936 | - | |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 ~ 10.0.22631.6936 | - | |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ~ 10.0.26100.8246 | - | |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 ~ 10.0.26200.8246 | - | |
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.8644 | - | |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.8644 | - | |
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5020 | - | |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 ~ 10.0.25398.2274 | - | |
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.32690 | - | |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.32690 | - |
II. Public POCs for CVE-2026-20930
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Microsoft · 2026-04-14 · 163 CVEs total
| CVE-2026-33824 | 9.8 CRITICAL | Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability |
| CVE-2026-26149 | 9.0 CRITICAL | Microsoft Power Apps Desktop Client Spoofing Vulnerability |
| CVE-2026-26178 | 8.8 HIGH | Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability |
| CVE-2026-32225 | 8.8 HIGH | Windows Shell Security Feature Bypass Vulnerability |
| CVE-2026-32157 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-33120 | 8.8 HIGH | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-26167 | 8.8 HIGH | Windows Push Notifications Elevation of Privilege Vulnerability |
| CVE-2026-32171 | 8.8 HIGH | Azure Logic Apps Elevation of Privilege Vulnerability |
| CVE-2026-27928 | 8.7 HIGH | Windows Hello Security Feature Bypass Vulnerability |
| CVE-2026-33114 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-33115 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-32091 | 8.4 HIGH | Microsoft Brokering File System Elevation of Privilege Vulnerability |
| CVE-2026-32162 | 8.4 HIGH | Windows COM Elevation of Privilege Vulnerability |
| CVE-2026-32190 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-32221 | 8.4 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
| CVE-2026-33827 | 8.1 HIGH | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2026-27912 | 8.0 HIGH | Windows Kerberos Elevation of Privilege Vulnerability |
| CVE-2026-33826 | 8.0 HIGH | Windows Active Directory Remote Code Execution Vulnerability |
| CVE-2026-26172 | 7.8 HIGH | Windows Push Notifications Elevation of Privilege Vulnerability |
| CVE-2026-32154 | 7.8 HIGH | Desktop Window Manager Elevation of Privilege Vulnerability |
Showing top 20 of 163 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows 10 Version 1809
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Windows Speech Runtime Elevation of Privilege Vulnerability - CVE-2026-32088
Windows Biometric Service Security Feature Bypass Vulnerabil - CVE-2026-32078
Windows Projected File System Elevation of Privilege Vulnera
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V. Comments for CVE-2026-20930
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