CVE-2026-21533— Windows Remote Desktop Services Elevation of Privilege Vulnerability
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I. Basic Information for CVE-2026-21533
Vulnerability Information
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Vulnerability Title
Windows Remote Desktop Services Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper privilege management in Windows Remote Desktop 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
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows Remote Desktop Services 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Remote Desktop Services是美国微软（Microsoft）公司的一个允许用户远程访问图形桌面和Windows应用程序的功能集合。 Microsoft Windows Remote Desktop Services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 11 Version 26H1 for ARM64-based Systems,Windows 11 version 26H1 for x64-based S
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
II. Public POCs for CVE-2026-21533
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | CVE-2026-21533 Zaafiyet tarama aracı | https://github.com/Pairs34/RDPVulnarableCheck | POC Details |
| 2 | None | https://github.com/elvin31thai/CVE-2026-21533 | POC Details |
| 3 | None | https://github.com/jenniferreire26/CVE-2026-21533 | POC Details |
| 4 | None | https://github.com/washingtonmaister/CVE-2026-21533 | POC Details |
| 5 | None | https://github.com/richardpaimu34/CVE-2026-21533 | POC Details |
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Microsoft · 2026-02-10 · 54 CVEs total
| CVE-2026-21531 | 9.8 CRITICAL | Azure SDK for Python Remote Code Execution Vulnerability |
| CVE-2026-21518 | 8.8 HIGH | GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability |
| CVE-2026-21255 | 8.8 HIGH | Windows Hyper-V Security Feature Bypass Vulnerability |
| CVE-2026-21256 | 8.8 HIGH | GitHub Copilot and Visual Studio Remote Code Execution Vulnerability |
| CVE-2026-21513 | 8.8 HIGH | MSHTML Framework Security Feature Bypass Vulnerability |
| CVE-2026-21510 | 8.8 HIGH | Windows Shell Security Feature Bypass Vulnerability |
| CVE-2026-21537 | 8.8 HIGH | Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability |
| CVE-2026-21516 | 8.8 HIGH | GitHub Copilot for Jetbrains Remote Code Execution Vulnerability |
| CVE-2026-21228 | 8.1 HIGH | Azure Local Remote Code Execution Vulnerability |
| CVE-2026-21523 | 8.0 HIGH | GitHub Copilot and Visual Studio Code Remote Code Execution Vulnerability |
| CVE-2026-21229 | 8.0 HIGH | Power BI Remote Code Execution Vulnerability |
| CVE-2026-21257 | 8.0 HIGH | GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability |
| CVE-2026-21239 | 7.8 HIGH | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2026-21514 | 7.8 HIGH | Microsoft Word Security Feature Bypass Vulnerability |
| CVE-2026-21240 | 7.8 HIGH | Windows HTTP.sys Elevation of Privilege Vulnerability |
| CVE-2026-20841 | 7.8 HIGH | Windows Notepad App Remote Code Execution Vulnerability |
| CVE-2026-21236 | 7.8 HIGH | Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability |
| CVE-2026-21246 | 7.8 HIGH | Windows Graphics Component Elevation of Privilege Vulnerability |
| CVE-2026-21259 | 7.8 HIGH | Microsoft Excel Elevation of Privilege Vulnerability |
| CVE-2026-21519 | 7.8 HIGH | Desktop Window Manager Elevation of Privilege Vulnerability |
Showing top 20 of 54 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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Azure Managed Instance for Apache Cassandra Remote Code Exec
Same weakness: CWE-269
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Local privilege escalation vulnerability in ZTE PROCESS Guar
V. Comments for CVE-2026-21533
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