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CVE-2026-20963— Microsoft SharePoint Remote Code Execution Vulnerability

CVSS 9.8 · Critical KEV EPSS 4.88% · P90
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I. Basic Information for CVE-2026-20963

Vulnerability Information
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Vulnerability Title
Microsoft SharePoint Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft SharePoint 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft SharePoint是美国微软（Microsoft）公司的一套企业业务协作平台。该平台用于对业务信息进行整合，并能够共享工作、与他人协同工作、组织项目和工作组、搜索人员和信息。 Microsoft SharePoint存在代码问题漏洞。攻击者利用该漏洞可以远程执行代码。以下产品和版本受到影响：Microsoft SharePoint Enterprise Server 2016,Microsoft SharePoint Server 2019,Microsoft SharePoint
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)

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Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft SharePoint Enterprise Server 2016 16.0.0 ~ 16.0.5535.1001 -
MicrosoftMicrosoft SharePoint Server 2019 16.0.0 ~ 16.0.10417.20083 -
MicrosoftMicrosoft SharePoint Server Subscription Edition 16.0.0 ~ 16.0.19127.20442 -

II. Public POCs for CVE-2026-20963

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III. Intelligence Information for CVE-2026-20963

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Same Patch Batch · Microsoft · 2026-01-13 · 112 CVEs total

CVE-2026-209478.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-208688.8 HIGHWindows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-209528.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-209538.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-209448.4 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-208568.1 HIGHWindows Server Update Service (WSUS) Remote Code Execution Vulnerability
CVE-2026-209318.0 HIGHWindows Telephony Service Elevation of Privilege Vulnerability
CVE-2026-208597.8 HIGHWindows Kernel-Mode Driver Elevation of Privilege Vulnerability
CVE-2026-212247.8 HIGHAzure Connected Machine Agent Elevation of Privilege Vulnerability
CVE-2026-208377.8 HIGHWindows Media Remote Code Execution Vulnerability
CVE-2026-209567.8 HIGHMicrosoft Excel Remote Code Execution Vulnerability
CVE-2026-209557.8 HIGHMicrosoft Excel Remote Code Execution Vulnerability
CVE-2026-208407.8 HIGHWindows NTFS Remote Code Execution Vulnerability
CVE-2026-209517.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-209467.8 HIGHMicrosoft Excel Remote Code Execution Vulnerability
CVE-2026-208577.8 HIGHWindows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2026-209187.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-209237.8 HIGHWindows Management Services Elevation of Privilege Vulnerability
CVE-2026-209207.8 HIGHWin32k Elevation of Privilege Vulnerability
CVE-2026-208777.8 HIGHWindows Management Services Elevation of Privilege Vulnerability

Showing top 20 of 112 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft SharePoint Enterprise Server 2016
Same vendor: Microsoft
Same weakness: CWE-502

V. Comments for CVE-2026-20963

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