Microsoft Office 2019 vulnerabilities

CVE-2026-55024 [HIGH] CWE-843 CVE-2026-55024: Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an un Access of resource using incompatible type ('type confusion') in Microsoft Office Excel 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-2025-49700 [HIGH] CWE-416 CVE-2025-49700: 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-2025-53734 [HIGH] CWE-416 CVE-2025-53734: Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally.

CVE-2025-53730 [HIGH] CWE-416 CVE-2025-53730: Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally.

CVE-2025-59238 [HIGH] CWE-416 CVE-2025-59238: Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locall Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

CVE-2026-44817 [HIGH] CWE-843 CVE-2026-44817: Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an un Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-45469 [HIGH] CWE-122 CVE-2026-45469: Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2021-40481 [HIGH] CVE-2021-40481: Microsoft Office Visio Remote Code Execution Vulnerability Microsoft Office Visio Remote Code Execution Vulnerability

CVE-2025-29816 [HIGH] CWE-349 CVE-2025-29816: Improper input validation in Microsoft Office Word allows an unauthorized attacker to bypass a secur Improper input validation in Microsoft Office Word allows an unauthorized attacker to bypass a security feature over a network.

CVE-2021-40480 [HIGH] CVE-2021-40480: Microsoft Office Visio Remote Code Execution Vulnerability Microsoft Office Visio Remote Code Execution Vulnerability

CVE-2021-43875 [HIGH] CVE-2021-43875: Microsoft Office Graphics Remote Code Execution Vulnerability Microsoft Office Graphics Remote Code Execution Vulnerability

CVE-2026-69477 [HIGH] CWE-122 CVE-2026-69477: Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.

CVE-2019-1199 [HIGH] CWE-787 CVE-2019-1199: A remote code execution vulnerability exists in Microsoft Outlook when the software fails to properl A remote code execution vulnerability exists in Microsoft Outlook 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 affec

CVE-2021-27057 [HIGH] CVE-2021-27057: Microsoft Office Remote Code Execution Vulnerability Microsoft Office Remote Code Execution Vulnerability

CVE-2021-28453 [HIGH] CVE-2021-28453: Microsoft Word Remote Code Execution Vulnerability Microsoft Word Remote Code Execution Vulnerability

CVE-2020-16957 [HIGH] CVE-2020-16957: <p>A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update address

CVE-2020-16929 [HIGH] CWE-416 CVE-2020-16929: <p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails 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 t

CVE-2020-16954 [HIGH] CVE-2020-16954: <p>A remote code execution vulnerability exists in Microsoft Office software when the software fails A remote code execution vulnerability exists in Microsoft Office 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 aff

CVE-2024-20677 [HIGH] CWE-122 CVE-2024-20677: A security vulnerability exists in FBX that could lead to remote code execution. To mitigate this vu A security vulnerability exists in FBX that could lead to remote code execution. To mitigate this vulnerability, the ability to insert FBX files has been disabled in Word, Excel, PowerPoint and Outlook for Windows and Mac. Versions of Office that had this feature enabled will no longer have access to it. This includes Office 2019, Office 2021, Office