CVE-2026-69402— Microsoft Office SharePoint Spoofing Vulnerability
Quick assessment
Affected
Microsoft Microsoft SharePoint Server Subscription Edition
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 SharePoint Server Subscription Edition是美国Microsoft公司的一款企业级协作平台。 Microsoft SharePoint Server Subscription Edition 16.0.0至16.0.20326.20090之前版本存在跨站脚本漏洞，该漏洞源于网页生成期间输入中和不当（跨站脚本），可能允许授权攻击者通过网络执行欺骗攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0< 16.0.20326.20090 |
affected |
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I. Basic Information for CVE-2026-69402
Vulnerability Information
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Vulnerability Title
Microsoft Office SharePoint Spoofing Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint 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:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft SharePoint Server Subscription Edition 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft SharePoint Server Subscription Edition是美国Microsoft公司的一款企业级协作平台。 Microsoft SharePoint Server Subscription Edition 16.0.0至16.0.20326.20090之前版本存在跨站脚本漏洞，该漏洞源于网页生成期间输入中和不当（跨站脚本），可能允许授权攻击者通过网络执行欺骗攻击。
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 | Microsoft SharePoint Server Subscription Edition | 16.0.0 ~ 16.0.20326.20090 | - |
|
II. Public POCs for CVE-2026-69402
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-69402 (1)
Same Patch Batch · Microsoft · 2026-09-08 · 966 CVEs total
| CVE-2026-83941 | 9.9 CRITICAL | Entra ID Elevation of Privilege Vulnerability |
| CVE-2026-69819 | 9.8 CRITICAL | RPC Runtime Library Remote Code Execution Vulnerability |
| CVE-2026-78509 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-72979 | 9.8 CRITICAL | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-69496 | 9.8 CRITICAL | Windows Compressed Folder Remote Code Execution Vulnerability |
| CVE-2026-69431 | 9.8 CRITICAL | Telnet Client Remote Code Execution Vulnerability |
| CVE-2026-69491 | 9.8 CRITICAL | Microsoft DirectMusic Remote Code Execution Vulnerability |
| CVE-2026-69768 | 9.8 CRITICAL | Windows RNDIS Remote Code Execution Vulnerability |
| CVE-2026-68839 | 9.8 CRITICAL | Windows USB Mass Storage Class Driver Remote Code Execution Vulnerability |
| CVE-2026-69590 | 9.8 CRITICAL | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-67643 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-69715 | 9.8 CRITICAL | Windows Direct Show Remote Code Execution Vulnerability |
| CVE-2026-69586 | 9.8 CRITICAL | Microsoft Windows PDF Remote Code Execution Vulnerability |
| CVE-2026-78510 | 9.8 CRITICAL | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-67631 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-69525 | 9.8 CRITICAL | Remote Desktop Services Remote Code Execution Vulnerability |
| CVE-2026-73009 | 9.8 CRITICAL | Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability |
| CVE-2026-69463 | 9.8 CRITICAL | Windows NTFS Remote Code Execution Vulnerability |
| CVE-2026-70296 | 9.8 CRITICAL | Windows Imaging Component Remote Code Execution Vulnerability |
| CVE-2026-73025 | 9.8 CRITICAL | Windows iSCSI Security Feature Bypass Vulnerability |
Showing top 20 of 966 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft SharePoint Server Subscription Edition
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V. Comments for CVE-2026-69402
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