CVE-2025-21420— Windows Disk Cleanup Tool Elevation of Privilege Vulnerability
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I. Basic Information for CVE-2025-21420
Vulnerability Information
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Vulnerability Title
Windows Disk Cleanup Tool Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Windows Disk Cleanup Tool Elevation of Privilege Vulnerability
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
在文件访问前对链接解析不恰当(链接跟随)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows 后置链接漏洞
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存在后置链接漏洞。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 Server 2022 (Server Core installation),Windows Server 2022,Windows Server 2019 (Server Core installation),Windows 10 Version 21H2 for x64-based
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
II. Public POCs for CVE-2025-21420
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | We found a way to DLL sideload with cleanmgr.exe | https://github.com/Network-Sec/CVE-2025-21420-PoC | POC Details |
| 2 | Exploiting a vulnerability in Windows Disk Cleanup to elevate privileges and provide access to protected data in Edge by bypassing the security feature. CVE-2025-21420 and CVE-2025-21401. | https://github.com/toxy4ny/edge-maradeur | POC Details |
| 3 | Proof of Concept CVE-2025-21420 (Windows Disk Cleanup Tool EoP) | https://github.com/moiz-2x/CVE-2025-21420_POC | POC Details |
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Microsoft · 2025-02-11 · 55 CVEs total
| CVE-2025-21198 | 9.0 CRITICAL | Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability |
| CVE-2025-21406 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21208 | 8.8 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2025-21410 | 8.8 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2025-21368 | 8.8 HIGH | Microsoft Digest Authentication Remote Code Execution Vulnerability |
| CVE-2025-21369 | 8.8 HIGH | Microsoft Digest Authentication Remote Code Execution Vulnerability |
| CVE-2025-21371 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21407 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21200 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21190 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21201 | 8.8 HIGH | Windows Telephony Server Remote Code Execution Vulnerability |
| CVE-2025-21376 | 8.1 HIGH | Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability |
| CVE-2025-21400 | 8.0 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2025-21387 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-21358 | 7.8 HIGH | Windows Core Messaging Elevation of Privileges Vulnerability |
| CVE-2025-21367 | 7.8 HIGH | Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability |
| CVE-2025-21359 | 7.8 HIGH | Windows Kernel Security Feature Bypass Vulnerability |
| CVE-2025-21392 | 7.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2025-21386 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2025-21381 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
Showing top 20 of 55 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2025-21420
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