Microsoft Sharepoint Server 2019 vulnerabilities

CVE-2026-33110 [HIGH] CWE-502 CVE-2026-33110: 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-2023-24950 [MEDIUM] CWE-20 CVE-2023-24950: Microsoft SharePoint Server Spoofing Vulnerability Microsoft SharePoint Server Spoofing Vulnerability

CVE-2026-62827 [HIGH] CWE-287 CVE-2026-62827: Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate priv Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVE-2020-17118 [CRITICAL] CVE-2020-17118: Microsoft SharePoint Remote Code Execution Vulnerability Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2026-40357 [HIGH] CWE-502 CVE-2026-40357: 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-2026-65665 [HIGH] CWE-502 CVE-2026-65665: 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-2026-45454 [HIGH] CWE-22 CVE-2026-45454: Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office S Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2022-30157 [HIGH] CVE-2022-30157: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-34467 [HIGH] CVE-2021-34467: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-41344 [HIGH] CVE-2021-41344: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-24066 [HIGH] CWE-502 CVE-2021-24066: Microsoft SharePoint Remote Code Execution Vulnerability Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2025-29793 [HIGH] CWE-502 CVE-2025-29793: 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-2025-59228 [HIGH] CWE-20 CVE-2025-59228: Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute co Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2025-49701 [HIGH] CWE-285 CVE-2025-49701: Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

CVE-2026-55052 [HIGH] CWE-862 CVE-2026-55052: Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privil Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVE-2026-58277 [HIGH] CWE-285 CVE-2026-58277: Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privi Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

CVE-2023-33160 [HIGH] CWE-502 CVE-2023-33160: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-34520 [HIGH] CWE-502 CVE-2021-34520: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2020-17061 [HIGH] CVE-2020-17061: Microsoft SharePoint Remote Code Execution Vulnerability Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2022-30158 [HIGH] CVE-2022-30158: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability