Microsoft SharePoint Server Spoofing Vulnerability

Improper control of generation of code 'code injection' in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network...

Microsoft SharePoint Server Remote Code Execution Vulnerability

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network...

Microsoft SharePoint Server Spoofing Vulnerability

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network...

Microsoft SharePoint Server Spoofing Vulnerability

Insufficiently protected credentials in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network...

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...

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...

Microsoft SharePoint Server Elevation of Privilege Vulnerability

Improper neutralization of input during web page generation 'cross-site scripting' in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network...

Microsoft SharePoint Server Remote Code Execution Vulnerability

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network...

Microsoft SharePoint Server Remote Code Execution Vulnerability

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network...

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...

Security Updates for Microsoft SharePoint Server 2019 (August 2026)

The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network. CVE-2026-62827 -...

Security Updates for Microsoft SharePoint Server 2016 (August 2026)

The Microsoft SharePoint Server 2016 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network. CVE-2026-62827 -...

KLA91209 Multiple vulnerabilities in Microsoft Office

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code, gain privileges, obtain sensitive information, spoof user interface. Below is a complete list of vulnerabilities: 1. A spoofing...

Security Updates for Microsoft SharePoint Server Subscription Edition (August 2026)

The Microsoft SharePoint Server Subscription Edition installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network...

Exploit for Missing Authentication for Critical Function in Microsoft

CVE-2026-56164 — Microsoft SharePoint Server Authentication By...

The vulnerability of Microsoft SharePoint Server and SharePoint Enterprise Server lies in their authentication procedures, which allow attackers to bypass existing security mechanisms.

The vulnerability of Microsoft SharePoint Server and SharePoint Enterprise Server lies in the deficiencies of its authentication procedures. Exploiting this vulnerability could allow attackers to bypass existing security mechanisms remotely...

Microsoft SharePoint Server - Authentication Bypass (ToolShell)

Microsoft Office SharePoint Server contains an improper authentication vulnerability that allows unauthorized attackers to perform spoofing over a network. By crafting a POST request to /layouts/15/ToolPane.aspx with a forged Referer header /layouts/SignOut.aspx, attackers can bypass authenticati...

July Microsoft Patch Tuesday

July Microsoft Patch Tuesday. In the second week of July, I was on vacation in St. Petersburg. After that, I got caught up with a bunch of other tasks, so I'm only publishing this roundup now. Better late than never, especially considering how unusual this MSPT turned out to be. 😉 In total, 571...

The vulnerability of the SessionSecurityTokenHandler class in Microsoft SharePoint Server, Microsoft SharePoint Server Subscription Edition, and Microsoft SharePoint Enterprise Server allows a perpetrator to execute arbitrary code.

The vulnerability of the SessionSecurityTokenHandler class in Microsoft SharePoint Server, Microsoft SharePoint Server Subscription Edition, and Microsoft SharePoint Enterprise Server is related to deserialization mechanism flaws. Exploiting this vulnerability could allow an attacker to execute...

CVE-2026-58644: Microsoft SharePoint Server Unauthenticated Remote Code Execution Vulnerability Exploited in the Wild

Overview On July 14, 2026, Microsoft published a security advisory addressing CVE-2026-58644, a critical remote code execution RCE vulnerability affecting on-premises Microsoft SharePoint Server deployments. The vulnerability, which carries a CVSS v3.1 score of 9.8 Critical, results from the...