Microsoft Office 2016 vulnerabilities

CVE-2024-21413 [CRITICAL] CWE-20 CVE-2024-21413: Microsoft Outlook Remote Code Execution Vulnerability Microsoft Outlook Remote Code Execution Vulnerability

CVE-2026-21509 [HIGH] CWE-807 CVE-2026-21509: Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attac Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.

CVE-2021-42292 [HIGH] CVE-2021-42292: Microsoft Excel Security Feature Bypass Vulnerability Microsoft Excel Security Feature Bypass Vulnerability

CVE-2021-38646 [HIGH] CVE-2021-38646: Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability

CVE-2021-27059 [MEDIUM] CVE-2021-27059: Microsoft Office Remote Code Execution Vulnerability Microsoft Office Remote Code Execution Vulnerability

CVE-2024-38021 [HIGH] CWE-20 CVE-2024-38021: Microsoft Outlook Remote Code Execution Vulnerability Microsoft Outlook Remote Code Execution Vulnerability

CVE-2023-23399 [HIGH] CWE-125 CVE-2023-23399: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2021-28455 [HIGH] CVE-2021-28455: Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability

CVE-2026-20953 [HIGH] CWE-416 CVE-2026-20953: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-40363 [HIGH] CWE-122 CVE-2026-40363: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-40358 [HIGH] CWE-416 CVE-2026-40358: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2020-1496 [HIGH] CVE-2020-1496: A remote code execution vulnerability exists in Microsoft Excel software when the software fails to A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affecte

CVE-2020-1494 [HIGH] CVE-2020-1494: A remote code execution vulnerability exists in Microsoft Excel software when the software fails to A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affecte

CVE-2020-1495 [HIGH] CVE-2020-1495: A remote code execution vulnerability exists in Microsoft Excel software when the software fails to A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affecte

CVE-2025-54910 [HIGH] CWE-122 CVE-2025-54910: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-20952 [HIGH] CWE-416 CVE-2026-20952: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-45461 [HIGH] CWE-416 CVE-2026-45461: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-45472 [HIGH] CWE-416 CVE-2026-45472: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-45474 [HIGH] CWE-416 CVE-2026-45474: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-32190 [HIGH] CWE-416 CVE-2026-32190: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.