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CVE-2026-45468— Microsoft SharePoint Server Spoofing Vulnerability

Quick assessment

Affected
Microsoft Microsoft SharePoint Enterprise Server 2016
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 Office SharePoint是美国微软（Microsoft）公司的一个企业内容协作与文档管理平台。 Microsoft Office SharePoint存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，可能导致授权攻击者通过网络进行欺骗。

CVSS 4.6 · Medium EPSS 0.51% · P41

Affected Version Matrix 3

VendorProduct Version RangeStatus
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0< 16.0.5556.1005 affected
Microsoft Microsoft SharePoint Server 2019 16.0.0< 16.0.10417.20153 affected
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0< 16.0.19725.20384 affected
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I. Basic Information for CVE-2026-45468

Vulnerability Information
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Vulnerability Title
Microsoft SharePoint Server 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:L/I:L/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 Office SharePoint 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office SharePoint是美国微软（Microsoft）公司的一个企业内容协作与文档管理平台。 Microsoft Office SharePoint存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，可能导致授权攻击者通过网络进行欺骗。
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 Enterprise Server 2016 16.0.0 ~ 16.0.5556.1005 -
Microsoft Microsoft SharePoint Server 2019 16.0.0 ~ 16.0.10417.20153 -
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 ~ 16.0.19725.20384 -

II. Public POCs for CVE-2026-45468

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III. Intelligence Information for CVE-2026-45468

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Vendor Advisories for CVE-2026-45468 (1)

Same Patch Batch · Microsoft · 2026-06-09 · 200 CVEs total

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CVE-2026-47291 9.8 CRITICAL HTTP.sys Remote Code Execution Vulnerability
CVE-2026-47281 9.6 CRITICAL Visual Studio Code Elevation of Privilege Vulnerability
CVE-2026-42904 9.6 CRITICAL Windows TCP/IP Elevation of Privilege Vulnerability
CVE-2026-45602 9.1 CRITICAL Windows Dynamic Host Configuration Protocol (DHCP) Tampering Vulnerability
CVE-2026-47289 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-45504 8.8 HIGH Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2026-45648 8.8 HIGH Windows Active Directory Domain Services Remote Code Execution Vulnerability
CVE-2026-32193 8.8 HIGH Azure Kubernetes Service (AKS) Remote Code Execution Vulnerability
CVE-2026-40371 8.8 HIGH Microsoft Dynamics 365 (on-premises) Elevation of Privilege Vulnerability
CVE-2026-45484 8.8 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2026-47653 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-42985 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-47635 8.4 HIGH Microsoft Outlook and Word Remote Code Execution Vulnerability
CVE-2026-45461 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45463 8.4 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2026-45607 8.4 HIGH Windows Hyper-V Remote Code Execution Vulnerability

Showing top 20 of 200 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft SharePoint Enterprise Server 2016
Same vendor: Microsoft
Same weakness: CWE-79

V. Comments for CVE-2026-45468

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