Microsoft Sharepoint Server vulnerabilities

CVE-2025-53770 [CRITICAL] CWE-502 CVE-2025-53770: Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that t

CVE-2023-29357 [CRITICAL] CWE-303 CVE-2023-29357: Microsoft SharePoint Server Elevation of Privilege Vulnerability Microsoft SharePoint Server Elevation of Privilege Vulnerability

CVE-2019-0604 [CRITICAL] CVE-2019-0604: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to chec A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2019-0594.

CVE-2025-49704 [HIGH] CWE-94 CVE-2025-49704: Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an a Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2026-50522 [CRITICAL] CWE-502 CVE-2026-50522: Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

CVE-2025-49706 [MEDIUM] CWE-287 CVE-2025-49706: Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform sp Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

CVE-2023-24955 [HIGH] CWE-94 CVE-2023-24955: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2020-1147 [HIGH] CVE-2020-1147: A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Stu A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.

CVE-2014-1761 [HIGH] CWE-787 CVE-2014-1761: Microsoft Word 2003 SP3, 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Word Viewer; Office Compatib Microsoft Word 2003 SP3, 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Word Viewer; Office Compatibility Pack SP3; Office for Mac 2011; Word Automation Services on SharePoint Server 2010 SP1 and SP2 and 2013; Office Web Apps 2010 SP1 and SP2; and Office Web Apps Server 2013 allow remote attackers to execute arbitrary code or cause a denial of service (

CVE-2017-11826 [HIGH] CWE-119 CVE-2017-11826: Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.

CVE-2015-1641 [HIGH] CWE-787 CVE-2015-1641: Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for M Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 SP1, and Office Web Apps Server 2010 SP2 and 2013 SP1 allow remote attackers to execute arbitrary code via a crafted RTF document, aka "Microsoft Offic

CVE-2026-32201 [MEDIUM] CWE-20 CVE-2026-32201: Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

CVE-2026-56164 [CRITICAL] CWE-306 CVE-2026-56164: Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized a Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.

CVE-2026-20963 [CRITICAL] CWE-502 CVE-2026-20963: Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

CVE-2024-38094 [HIGH] CWE-502 CVE-2024-38094: Microsoft SharePoint Remote Code Execution Vulnerability Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2026-58644 [CRITICAL] CWE-502 CVE-2026-58644: Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

CVE-2012-2539 [HIGH] CWE-787 CVE-2012-2539: Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; and Office Web Apps 2010 SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted RTF data, aka "Word RTF 'listoverridecount' Remote Code Execution Vulnerability."

CVE-2026-45659 [HIGH] CWE-502 CVE-2026-45659: Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to ex Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2023-21716 [CRITICAL] CWE-190 CVE-2023-21716: Microsoft Word Remote Code Execution Vulnerability Microsoft Word Remote Code Execution Vulnerability

CVE-2025-53771 [MEDIUM] CWE-287 CVE-2025-53771: Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform sp Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.