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CVE-2026-21519— Desktop Window Manager Elevation of Privilege Vulnerability

CVSS 7.8 · High KEV EPSS 4.52% · P89
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I. Basic Information for CVE-2026-21519

Vulnerability Information
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Vulnerability Title
Desktop Window Manager Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Desktop Windows Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Desktop Windows Manager是美国微软（Microsoft）公司的一个桌面窗口管理器。 Microsoft Desktop Windows Manager存在安全漏洞。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 2
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)

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Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.8868 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8389 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.6937 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.6937 -
MicrosoftWindows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.6649 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.6649 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.7840 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.7840 -
MicrosoftWindows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.1575 -
MicrosoftWindows 11 Version 26H1 10.0.28000.0 ~ 10.0.28000.1575 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.8868 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.8868 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.8389 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8389 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.4773 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2149 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.32370 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32370 -

II. Public POCs for CVE-2026-21519

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III. Intelligence Information for CVE-2026-21519

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Same Patch Batch · Microsoft · 2026-02-10 · 54 CVEs total

CVE-2026-215319.8 CRITICALAzure SDK for Python Remote Code Execution Vulnerability
CVE-2026-215188.8 HIGHGitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability
CVE-2026-212558.8 HIGHWindows Hyper-V Security Feature Bypass Vulnerability
CVE-2026-212568.8 HIGHGitHub Copilot and Visual Studio Remote Code Execution Vulnerability
CVE-2026-215168.8 HIGHGitHub Copilot for Jetbrains Remote Code Execution Vulnerability
CVE-2026-215378.8 HIGHMicrosoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
CVE-2026-215108.8 HIGHWindows Shell Security Feature Bypass Vulnerability
CVE-2026-215138.8 HIGHMSHTML Framework Security Feature Bypass Vulnerability
CVE-2026-212288.1 HIGHAzure Local Remote Code Execution Vulnerability
CVE-2026-212298.0 HIGHPower BI Remote Code Execution Vulnerability
CVE-2026-215238.0 HIGHGitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-212578.0 HIGHGitHub Copilot and Visual Studio Elevation of Privilege Vulnerability
CVE-2026-215337.8 HIGHWindows Remote Desktop Services Elevation of Privilege Vulnerability
CVE-2026-212367.8 HIGHWindows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2026-212467.8 HIGHWindows Graphics Component Elevation of Privilege Vulnerability
CVE-2026-208417.8 HIGHWindows Notepad App Remote Code Execution Vulnerability
CVE-2026-212597.8 HIGHMicrosoft Excel Elevation of Privilege Vulnerability
CVE-2026-215147.8 HIGHMicrosoft Word Security Feature Bypass Vulnerability
CVE-2026-212407.8 HIGHWindows HTTP.sys Elevation of Privilege Vulnerability
CVE-2026-212397.8 HIGHWindows Kernel Elevation of Privilege Vulnerability

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607
Same vendor: Microsoft
Same weakness: CWE-843

V. Comments for CVE-2026-21519

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