Microsoft Microsoft Sharepoint Server 2019

353 CVEs affecting Microsoft Microsoft Sharepoint Server 2019. Latest disclosed: 2026-08-11. Critical: 12, High: 209.

Top CVEs affecting Microsoft Microsoft Sharepoint Server 2019
CVESeverityScorePublishedSummary
CVE-2020-1595Critical9.92020-09-11<p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successful…
CVE-2020-1210Critical9.92020-09-11<p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attack…
CVE-2026-58644Critical9.82026-07-14Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
CVE-2026-50522Critical9.82026-07-14Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
CVE-2026-20963Critical9.82026-01-13Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
CVE-2025-53770Critical9.82025-07-20Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware…
CVE-2023-29357Critical9.82023-06-14Microsoft SharePoint Server Elevation of Privilege Vulnerability
CVE-2023-21716Critical9.82023-02-14Microsoft Word Remote Code Execution Vulnerability
CVE-2020-1025Critical9.82020-07-14An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An atta…
CVE-2019-1205Critical9.82019-08-14A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory. An attacker who successfully exploi…
CVE-2026-70306Critical9.32026-08-11Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform…
CVE-2026-55040Critical9.12026-07-14Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
CVE-2020-1523High8.92020-09-11<p>A tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnera…
CVE-2026-70324High8.82026-08-11Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-66808High8.82026-08-11Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-66805High8.82026-08-11Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-65665High8.82026-08-11Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-65663High8.82026-08-11Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-65660High8.82026-08-11Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-65658High8.82026-08-11Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.