Microsoft Sharepoint Server 2019 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-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-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-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.

CVE-2023-21742 [HIGH] CWE-284 CVE-2023-21742: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2022-22005 [HIGH] CWE-502 CVE-2022-22005: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2024-38023 [HIGH] CWE-502 CVE-2024-38023: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2020-1210 [HIGH] CWE-494 CVE-2020-1210: <p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to c A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account. Exploitation of this vulnerability r

CVE-2024-38024 [HIGH] CWE-502 CVE-2024-38024: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-27076 [HIGH] CVE-2021-27076: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability