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CVE-2026-23656— Windows App Installer Spoofing Vulnerability

CVSS 5.9 · Medium EPSS 0.03% · P8
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I. Basic Information for CVE-2026-23656

Vulnerability Information
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Vulnerability Title
Windows App Installer Spoofing Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对数据真实性的验证不充分
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Windows App Installer 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows App Installer是美国微软（Microsoft）公司的一个随 Windows 10 和 Windows 11 操作系统提供的工具，它允许用户通过双击 .msix 或 .msixbundle 文件来轻松安装应用程序。这个工具支持从 Web、可选包和相关的集中安装应用，并且可以下载应用安装程序以便在企业中离线使用。 Microsoft Windows App Installer存在数据伪造问题漏洞。攻击者利用该漏洞执行欺骗攻击。
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

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows App Client for Windows Desktop 1.00 ~ 2.0.964 -

II. Public POCs for CVE-2026-23656

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III. Intelligence Information for CVE-2026-23656

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Same Patch Batch · Microsoft · 2026-03-10 · 78 CVEs total

CVE-2026-251778.8 HIGHActive Directory Domain Services Elevation of Privilege Vulnerability
CVE-2026-261188.8 HIGHAzure MCP Server Tools Elevation of Privilege Vulnerability
CVE-2026-261068.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-236698.8 HIGHRPC Runtime Library Remote Code Execution Vulnerability
CVE-2026-236548.8 HIGHGitHub: Zero Shot SCFoundation Remote Code Execution Vulnerability
CVE-2026-261168.8 HIGHSQL Server Elevation of Privilege Vulnerability
CVE-2026-261158.8 HIGHSQL Server Elevation of Privilege Vulnerability
CVE-2026-242838.8 HIGHMultiple UNC Provider Kernel Driver Elevation of Privilege Vulnerability
CVE-2026-209678.8 HIGHSystem Center Operations Manager (SCOM) Elevation of Privilege Vulnerability
CVE-2026-261148.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-251888.8 HIGHWindows Telephony Service Elevation of Privilege Vulnerability
CVE-2026-212628.8 HIGHSQL Server Elevation of Privilege Vulnerability
CVE-2026-261098.4 HIGHMicrosoft Excel Remote Code Execution Vulnerability
CVE-2026-261138.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-261108.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-261058.1 HIGHMicrosoft SharePoint Server Spoofing Vulnerability
CVE-2026-261488.1 HIGHMicrosoft Azure AD SSH Login extension for Linux Elevation of Privilege Vulnerability
CVE-2026-261118.0 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-251738.0 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-251728.0 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Showing top 20 of 78 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-345

V. Comments for CVE-2026-23656

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