CVE-2025-27475— Windows Update Stack Elevation of Privilege Vulnerability
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I. Basic Information for CVE-2025-27475
Vulnerability Information
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Vulnerability Title
Windows Update Stack Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Sensitive data storage in improperly locked memory in Windows Update Stack 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:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据存储于加锁不恰当的内存区域
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows Update Stack 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Update Stack是美国微软（Microsoft）公司的用于管理更新的一部分。 Microsoft Windows Update Stack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 22H2 for ARM64-based Systems,Windows 11 Version 22H2 for x64-based Systems,Windows 11 Version 23H2 for ARM64-ba
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 11 version 22H2 | 10.0.22621.0 ~ 10.0.22621.5189 | - | |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 ~ 10.0.22631.5189 | - | |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 ~ 10.0.22631.5189 | - | |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ~ 10.0.26100.3775 | - |
II. Public POCs for CVE-2025-27475
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Microsoft · 2025-04-08 · 119 CVEs total
| CVE-2025-21205 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-21221 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-26669 | 8.8 HIGH | Windows Routing and Remote Access Service (RRAS) Information Disclosure Vulnerability |
| CVE-2025-29794 | 8.8 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2025-27477 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-27740 | 8.8 HIGH | Active Directory Certificate Services Elevation of Privilege Vulnerability |
| CVE-2025-21222 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-26647 | 8.8 HIGH | Windows Kerberos Elevation of Privilege Vulnerability |
| CVE-2025-27481 | 8.8 HIGH | Windows Telephony Service Remote Code Execution Vulnerability |
| CVE-2025-27737 | 8.6 HIGH | Windows Security Zone Mapping Security Feature Bypass Vulnerability |
| CVE-2025-26678 | 8.4 HIGH | Windows Defender Application Control Security Feature Bypass Vulnerability |
| CVE-2025-26663 | 8.1 HIGH | Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability |
| CVE-2025-27482 | 8.1 HIGH | Windows Remote Desktop Services Remote Code Execution Vulnerability |
| CVE-2025-27480 | 8.1 HIGH | Windows Remote Desktop Services Remote Code Execution Vulnerability |
| CVE-2025-26671 | 8.1 HIGH | Windows Remote Desktop Services Remote Code Execution Vulnerability |
| CVE-2025-26670 | 8.1 HIGH | Lightweight Directory Access Protocol (LDAP) Client Remote Code Execution Vulnerability |
| CVE-2025-27487 | 8.0 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2025-26674 | 7.8 HIGH | Windows Media Remote Code Execution Vulnerability |
| CVE-2025-24062 | 7.8 HIGH | Microsoft DWM Core Library Elevation of Privilege Vulnerability |
| CVE-2025-21204 | 7.8 HIGH | Windows Process Activation Elevation of Privilege Vulnerability |
Showing top 20 of 119 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows 11 version 22H2
- CVE-2025-59261
Windows Graphics Component Elevation of Privilege Vulnerabil - CVE-2025-59194
Windows Kernel Elevation of Privilege Vulnerability - CVE-2025-58731
Inbox COM Objects (Global Memory) Remote Code Execution Vuln - CVE-2025-55334
Windows Kernel Security Feature Bypass Vulnerability - CVE-2025-55330
Windows BitLocker Security Feature Bypass Vulnerability
Same vendor: Microsoft
- CVE-2026-42826
Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
Same weakness: CWE-591
- CVE-2025-48819
Windows Universal Plug and Play (UPnP) Device Host Elevation - CVE-2025-30394
Windows Remote Desktop Gateway (RD Gateway) Denial of Servic - CVE-2025-27732
Windows Graphics Component Elevation of Privilege Vulnerabil - CVE-2025-27482
Windows Remote Desktop Services Remote Code Execution Vulner - CVE-2025-27484
Windows Universal Plug and Play (UPnP) Device Host Elevation
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