Security Updates for Microsoft SharePoint Server 2016 (July 2026)

The Microsoft SharePoint Server 2016 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network. CVE-2026-505...

CVE-2026-62826

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...

CVE-2026-62826 Microsoft SharePoint Server Spoofing Vulnerability

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CVE-2026-62826 Microsoft SharePoint Server Spoofing Vulnerability

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CVE-2026-62826

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...

CVE-2026-62826

CVE-2026-62826 affects Microsoft SharePoint Server where improper neutralization of input during web page generation enables an authorized attacker to spoof over a network. The NVD entry (CVSS 3.1: AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N, base score 4.6) confirms cross-site scripting vulnerability wi...

Microsoft SharePoint Server Spoofing Vulnerability

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...

CVE-2026-62826: Improper Neutralization of Input During Web Page Generation

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...

KLA91160 SUI vulnerability in Microsoft Office

User interface spoofing vulnerability was found in Microsoft Office. Malicious users can exploit this vulnerability to spoof user interface. Original advisories CVE-2026-62826 Exploitation CVE list CVE-2026-62826 high KB list 5002882 5002883 5002891 Solution Install necessary updates from the KB...

The vulnerability of Microsoft Office packages, Microsoft 365 Apps for Enterprise, and Microsoft SharePoint relates to reading data beyond the buffer in memory, allowing an attacker to disclose protected information.

The vulnerability of Microsoft Office packages, Microsoft 365 Apps for Enterprise, and Microsoft SharePoint relates to reading data beyond the buffer in memory. Exploiting this vulnerability can allow an attacker to disclose sensitive information by sending a specially created malicious file...

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network...

CVE-2026-55164

creationtimestamp| type| source ---|---|--- 2026-07-15 20:15:10+00:00| seen| https://cyber.gc.ca/en/alerts-advisories/al26-017-critical-vulnerabilities-impacting-microsoft-sharepoint-server-cve-2026-56164-cve-2026-55040-cve-2026-58644...

Microsoft’s July 2026 Patch Tuesday fixes 622 flaws and 2 exploited zero-days

Microsoft’s July 2026 Patch Tuesday fixes 622 CVEs, including exploited AD FS and SharePoint flaws, plus the disclosed BitLocker bypass requiring urgent action...

Microsoft Office SharePoint Server cross-site scripting vulnerability

Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, and Microsoft SharePoint Server Subscription Edition are enterprise-level collaboration and content management platforms provided by Microsoft. Microsoft Office SharePoint Server has a cross-site scripting vulnerabilit...

Microsoft Office SharePoint Server Cross-site Scripting Vulnerability (CNVD-2026-31552)

Microsoft Office SharePoint Server is a web-based content management and collaboration tool designed by Microsoft for enterprise customers. The initial version of this software existed as an Office component and still relies heavily on Office for providing features such as enterprise portals and...

Microsoft SharePoint SPFieldMultiLineText Cross-Site Scripting Vulnerability

This vulnerability allows remote attackers to execute web requests with a target user's privileges on affected installations of Microsoft SharePoint. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific fl...

(Pwn2Own) Microsoft SharePoint Improper Verification of Cryptographic Signature Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of session security tokens. The issue results from the lack of proper...

(Pwn2Own) Microsoft SharePoint Deserialization of Untrusted Data Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SessionSecurityTokenHandler class. The issue results from the lack of proper...

PT-2026-60173

Running SharePoint? There are at least 4 vulns you want to pay attention to: CVE-2026-55040, CVE-2026-52522, CVE-2026-58644, CVE-2026-56164 unauthenticated RCE, exploits available etc. https://t.co/9moTd0gNju...

Microsoft Office SharePoint Server Cross-site Scripting Vulnerability (CNVD-2026-29408)

Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, and Microsoft SharePoint Server Subscription Edition are enterprise-level collaboration platforms developed by Microsoft. They are primarily used for document management, content publishing, and workflow collaboration...