Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-58277— Microsoft SharePoint Elevation of Privilege Vulnerability

CVSS 8.8 · High EPSS 0.74% · P51

Affected Version Matrix 2

VendorProductVersion RangeStatus
MicrosoftMicrosoft SharePoint Enterprise Server 201616.0.0< 16.0.5561.1001affected
MicrosoftMicrosoft SharePoint Server 201916.0.0< 16.0.10417.20175affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-58277

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Microsoft SharePoint Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Office Sharepoint Server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office Sharepoint Server是美国Microsoft公司的一款为企业客户而设计的、基于web的内容管理和协作工具。该软件初始版本以Office组件形式存在,现在也仍然大大依托于Office,以提供企业门户、文档协同等功能为主,之后版本支持将Office、Exchange、Lync、Project和Visio结合起来。 Microsoft Office Sharepoint Server存在授权问题漏洞，该漏洞源于授权不当，可能导致授权攻击者通过网络提升权限。
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
MicrosoftMicrosoft SharePoint Enterprise Server 2016 16.0.0 ~ 16.0.5561.1001 -
MicrosoftMicrosoft SharePoint Server 2019 16.0.0 ~ 16.0.10417.20175 -

II. Public POCs for CVE-2026-58277

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-58277

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-58277 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

CVE-2026-570929.9 CRITICALMicrosoft Windows VMSwitch Elevation of Privilege Vulnerability
CVE-2026-561599.8 CRITICALDHCP Server Service Remote Code Execution Vulnerability
CVE-2026-505189.8 CRITICALWindows DHCP Server Remote Code Execution Vulnerability
CVE-2026-559449.8 CRITICALMicrosoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co
CVE-2026-561909.8 CRITICALRemote Desktop Protocol Remote Code Execution Vulnerability
CVE-2026-429909.8 CRITICALSQL Server ODBC driver Elevation of Privilege Vulnerability
CVE-2026-549909.8 CRITICALRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-561889.8 CRITICALWindows Server Network driver Remote Code Execution Vulnerability
CVE-2026-505229.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-586449.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-491729.8 CRITICALWindows FTP Service Remote Code Execution Vulnerability
CVE-2026-550109.8 CRITICALMinecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
CVE-2026-504479.8 CRITICALWindows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
CVE-2026-485619.6 CRITICALMicrosoft Copilot Remote Code Execution Vulnerability
CVE-2026-503809.6 CRITICALWindows GDI+ Remote Code Execution Vulnerability
CVE-2026-550089.6 CRITICALMicrosoft Exchange Server Spoofing Vulnerability
CVE-2026-497989.3 CRITICALWindows Kernel Elevation of Privilege Vulnerability
CVE-2026-550409.1 CRITICALMicrosoft SharePoint Server Security Feature Bypass Vulnerability
CVE-2026-476328.8 HIGHAzure Monitor Agent Metrics Extension Elevation of Privilege Vulnerability
CVE-2026-485648.8 HIGHDHCP Server Service Remote Code Execution Vulnerability

Showing top 20 of 570 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft SharePoint Enterprise Server 2016
Same vendor: Microsoft
Same weakness: CWE-285

V. Comments for CVE-2026-58277

No comments yet

Leave a comment