CVE-2026-23656— Windows App Installer Spoofing Vulnerability
Quick assessment
Affected
Microsoft Windows App Client for Windows Desktop
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 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。
Possible ATT&CK Techniques 1 AI
T1574.007 · Path Interception by PATH Environment VariableAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows App Client for Windows Desktop | 1.00< 2.0.964 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-23656
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Windows App Installer Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient verification of data authenticity in Windows App Installer allows an unauthorized attacker to perform spoofing over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows App Client for Windows Desktop | 1.00 ~ 2.0.964 | - |
|
II. Public POCs for CVE-2026-23656
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-23656
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-23656 (1)
Same Patch Batch · Microsoft · 2026-03-10 · 78 CVEs total
| CVE-2026-25177 | 8.8 HIGH | Active Directory Domain Services Elevation of Privilege Vulnerability |
| CVE-2026-26118 | 8.8 HIGH | Azure MCP Server Tools Elevation of Privilege Vulnerability |
| CVE-2026-26106 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-23669 | 8.8 HIGH | RPC Runtime Library Remote Code Execution Vulnerability |
| CVE-2026-23654 | 8.8 HIGH | GitHub: Zero Shot SCFoundation Remote Code Execution Vulnerability |
| CVE-2026-26116 | 8.8 HIGH | SQL Server Elevation of Privilege Vulnerability |
| CVE-2026-26115 | 8.8 HIGH | SQL Server Elevation of Privilege Vulnerability |
| CVE-2026-24283 | 8.8 HIGH | Multiple UNC Provider Kernel Driver Elevation of Privilege Vulnerability |
| CVE-2026-20967 | 8.8 HIGH | System Center Operations Manager (SCOM) Elevation of Privilege Vulnerability |
| CVE-2026-26114 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2026-25188 | 8.8 HIGH | Windows Telephony Service Elevation of Privilege Vulnerability |
| CVE-2026-21262 | 8.8 HIGH | SQL Server Elevation of Privilege Vulnerability |
| CVE-2026-26109 | 8.4 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2026-26113 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-26110 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-26105 | 8.1 HIGH | Microsoft SharePoint Server Spoofing Vulnerability |
| CVE-2026-26148 | 8.1 HIGH | Microsoft Azure AD SSH Login extension for Linux Elevation of Privilege Vulnerability |
| CVE-2026-26111 | 8.0 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-25173 | 8.0 HIGH | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-25172 | 8.0 HIGH | Windows 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
-
CVE-2026-100208
Microsoft Office Outlook Remote Code Execution Vulnerability -
CVE-2026-70125
Microsoft Office Outlook Remote Code Execution Vulnerability -
CVE-2026-88097
Microsoft Edge (Chromium-based) Elevation of Privilege Vulne -
CVE-2026-85887
M365 Copilot Information Disclosure Vulnerability -
CVE-2026-83946
Azure Portal Spoofing Vulnerability
Same weakness: CWE-345
-
CVE-2026-104422
Zebra before 6.3.0 Block Sync Denial of Service via Coinbase -
CVE-2026-104419
Zebra before 6.3.0 Honest Peer Banning via Far-Ahead FindBlo -
CVE-2026-103878
Apache Directory LDAP API: Injection of plaintext responses -
CVE-2026-102140
Kiteworks Core Insufficient Verification of Data Authenticit -
CVE-2026-55174
UltrafastSecp256k1: ECDSA adaptor verification accepts non-a
V. Comments for CVE-2026-23656
No comments yet