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CVE-2025-48802— Windows SMB Server Spoofing Vulnerability

Quick assessment

Affected
Microsoft Windows 11 version 22H2
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 SMB Server是美国微软（Microsoft）公司的一个网络文件共享协议。它允许计算机上的应用程序读取和写入文件以及从计算机网络中的服务器程序请求服务。 Microsoft Windows SMB Server存在信任管理问题漏洞。攻击者利用该漏洞执行欺骗攻击。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 11 Version 22H2

CVSS 6.5 · Medium EPSS 0.90% · P59

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-48802

Vulnerability Information
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Vulnerability Title
Windows SMB Server Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows SMB Server 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows SMB Server是美国微软（Microsoft）公司的一个网络文件共享协议。它允许计算机上的应用程序读取和写入文件以及从计算机网络中的服务器程序请求服务。 Microsoft Windows SMB Server存在信任管理问题漏洞。攻击者利用该漏洞执行欺骗攻击。以下产品和版本受到影响：Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 11 Version 22H2
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 ~ 10.0.22621.5624 -
Microsoft Windows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.5624 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.5624 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.3932 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1732 -

II. Public POCs for CVE-2025-48802

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III. Intelligence Information for CVE-2025-48802

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Same Patch Batch · Microsoft · 2025-07-08 · 129 CVEs total

CVE-2025-47981 9.8 CRITICAL SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerabilit
CVE-2025-48817 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-49723 8.8 HIGH Windows StateRepository API Server file Tampering Vulnerability
CVE-2025-49701 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-49688 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49687 8.8 HIGH Windows Input Method Editor (IME) Elevation of Privilege Vulnerability
CVE-2025-49704 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2025-49673 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49676 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49674 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49672 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49669 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-48824 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49657 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49739 8.8 HIGH Visual Studio Elevation of Privilege Vulnerability
CVE-2025-49740 8.8 HIGH Windows SmartScreen Security Feature Bypass Vulnerability
CVE-2025-47998 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-49663 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2025-47986 8.8 HIGH Universal Print Management Service Elevation of Privilege Vulnerability
CVE-2025-49724 8.8 HIGH Windows Connected Devices Platform Service Remote Code Execution Vulnerability

Showing top 20 of 129 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 11 version 22H2
Same vendor: Microsoft
Same weakness: CWE-295

V. Comments for CVE-2025-48802

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