Microsoft Sharepoint Enterprise Server 2016 vulnerabilities

CVE-2026-55038 [HIGH] CWE-121 CVE-2026-55038: Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55127 [HIGH] CWE-122 CVE-2026-55127: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55055 [HIGH] CWE-121 CVE-2026-55055: Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55128 [HIGH] CWE-416 CVE-2026-55128: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55130 [HIGH] CWE-122 CVE-2026-55130: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55032 [HIGH] CWE-416 CVE-2026-55032: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55134 [HIGH] CWE-121 CVE-2026-55134: Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2020-17016 [HIGH] CVE-2020-17016: Microsoft SharePoint Server Spoofing Vulnerability Microsoft SharePoint Server Spoofing Vulnerability

CVE-2026-55034 [HIGH] CWE-79 CVE-2026-55034: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Of Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVE-2021-31966 [HIGH] CVE-2021-31966: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2024-49068 [HIGH] CWE-284 CVE-2024-49068: Microsoft SharePoint Elevation of Privilege Vulnerability Microsoft SharePoint Elevation of Privilege Vulnerability

CVE-2026-20951 [HIGH] CWE-20 CVE-2026-20951: Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

CVE-2026-55132 [HIGH] CWE-415 CVE-2026-55132: Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2025-59222 [HIGH] CWE-416 CVE-2025-59222: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55021 [HIGH] CWE-79 CVE-2026-55021: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Of Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVE-2024-49070 [HIGH] CWE-502 CVE-2024-49070: Microsoft SharePoint Remote Code Execution Vulnerability Microsoft SharePoint Remote Code Execution Vulnerability

CVE-2021-42294 [HIGH] CVE-2021-42294: Microsoft SharePoint Server Remote Code Execution Vulnerability Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2025-54906 [HIGH] CWE-416 CVE-2025-54906: Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code l Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2025-47169 [HIGH] CWE-122 CVE-2025-47169: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55033 [HIGH] CWE-122 CVE-2026-55033: Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute c Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code locally.