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CVE-2025-62466— Windows Client-Side Caching Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1607
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows CSC Service是美国微软（Microsoft）公司的一个应用程序。允许在本地计算机脱机时使用网络文件。 Microsoft Windows CSC Service存在代码问题漏洞。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

CVSS 7.8 · High EPSS 0.39% · P33

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-62466

Vulnerability Information
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Vulnerability Title
Windows Client-Side Caching Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Null pointer dereference in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows CSC Service 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows CSC Service是美国微软（Microsoft）公司的一个应用程序。允许在本地计算机脱机时使用网络文件。 Microsoft Windows CSC Service存在代码问题漏洞。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
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 1607 10.0.14393.0 ~ 10.0.14393.8688 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8146 -
Microsoft Windows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.6691 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.6691 -
Microsoft Windows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.6345 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.6345 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.7462 -
Microsoft Windows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.7462 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.28064 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.28064 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23666 -
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.23666 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.25815 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25815 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22920 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22920 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.8688 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.8688 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.8146 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8146 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.4529 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2025 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.7462 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.7462 -

II. Public POCs for CVE-2025-62466

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III. Intelligence Information for CVE-2025-62466

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Vendor Advisories for CVE-2025-62466 (1)

Same Patch Batch · Microsoft · 2025-12-09 · 56 CVEs total

CVE-2025-62456 8.8 HIGH Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
CVE-2025-62550 8.8 HIGH Azure Monitor Agent Remote Code Execution Vulnerability
CVE-2025-62549 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-64678 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-64672 8.8 HIGH Microsoft SharePoint Server Spoofing Vulnerability
CVE-2025-64671 8.4 HIGH GitHub Copilot for Jetbrains Remote Code Execution Vulnerability
CVE-2025-62557 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-62554 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2025-62474 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2025-55233 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62462 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62552 7.8 HIGH Microsoft Access Remote Code Execution Vulnerability
CVE-2025-62467 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62553 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2025-62464 7.8 HIGH Windows Projected File System Elevation of Privilege Vulnerability
CVE-2025-62221 7.8 HIGH Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2025-54100 7.8 HIGH PowerShell Remote Code Execution Vulnerability
CVE-2025-64679 7.8 HIGH Windows DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-64680 7.8 HIGH Windows DWM Core Library Elevation of Privilege Vulnerability
CVE-2025-64661 7.8 HIGH Windows Shell Elevation of Privilege Vulnerability

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607
Same vendor: Microsoft
Same weakness: CWE-476

V. Comments for CVE-2025-62466

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