8855 matches found
TWINLOOT Abuses SharePoint and Teams to Steal Credentials and Move Across Networks
Cybersecurity researchers have disclosed details of a previously undocumented Python implant framework dubbed TWINLOOT. "TWINLOOT is a modular, PyArmor-hardened Python implant designed to operate its entire command-and-control infrastructure inside trusted Microsoft services," Ontinue said in a...
Microsoft SharePoint Server - Authentication Bypass
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network. id: CVE-2025-49706 info: name: Microsoft SharePoint Server - Authentication Bypass author: daffainfo severity: medium description: | Improper authentication in Microsoft Offi...
Microsoft SharePoint Server - WS-Federation BinaryFormatter Deserialization RCE
Microsoft SharePoint Server 2016, 2019, Subscription Edition = 2026.3.1 contains a remote code execution vulnerability in the WS-Federation passive sign-in endpoint /trust/default.aspx. The SharePoint authentication module SPFederationAuthenticationModuleV2 uses a deflate-only...
Microsoft SharePoint Server - Remote Code Execution (ToolShell)
Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. This vulnerability is part of the ToolShell exploit chain and when combined with CVE-2025-53771 authentication bypass, enables unauthenticated remote code...
Microsoft SharePoint - Remote Code Execution
Microsoft SharePoint is vulnerable to a remote code execution when the software fails to check the source markup of an application package. id: CVE-2020-16952 info: name: Microsoft SharePoint - Remote Code Execution author: dwisiswant0 severity: high description: Microsoft SharePoint is vulnerabl...
Attackers Exploit SharePoint Authentication Bypass After Public PoC Release
Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept PoC code. The vulnerability in question is CVE-2026-55040 CVSS score: 9.1, which refers to a critical security feature bypass that stems from weak authentication. I...
VulnCheck KEV: CVE-2026-55040
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network...
Patch Tuesday - August 2026
Microsoft is publishing 421 vulnerabilities on August 2026 Patch Tuesday, including 236 vulnerabilities in Windows. This is lower volume than last month’s record-breaking behemoth, but still one of the largest Patch Tuesday totals ever. There is no reason to suppose that Patch Tuesday will ever...
vulnerabilities present in Microsoft Office
Microsoft has identified vulnerabilities in various Office products. A malicious individual can exploit these vulnerabilities to carry out attacks that can cause damage as described in the following table. For successful exploitation, the malicious individual must deceive the victim into opening ...
CVE-2026-70355
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...
CVE-2026-70324
Server-side request forgery ssrf in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network...
CVE-2026-70326
Server-side request forgery ssrf in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network...
CVE-2026-70321
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network...
CVE-2026-70306
Improper neutralization of input during web page generation 'cross-site scripting' in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network...
CVE-2026-66808
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network...
CVE-2026-66805
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network...
CVE-2026-65663
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network...
CVE-2026-65660
Improper control of generation of code 'code injection' in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network...