Microsoft 365 Apps For Enterprise vulnerabilities

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

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

CVE-2021-27054 [HIGH] CVE-2021-27054: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2021-27056 [HIGH] CVE-2021-27056: Microsoft PowerPoint Remote Code Execution Vulnerability Microsoft PowerPoint 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

CVE-2020-1563 [HIGH] CVE-2020-1563: A remote code execution vulnerability exists in Microsoft Office software when the software fails to 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 affec

CVE-2021-28454 [HIGH] CWE-416 CVE-2021-28454: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2023-35636 [MEDIUM] CWE-200 CVE-2023-35636: Microsoft Outlook Information Disclosure Vulnerability Microsoft Outlook Information Disclosure Vulnerability

CVE-2024-30042 [HIGH] CWE-502 CVE-2024-30042: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2024-21379 [HIGH] CWE-190 CVE-2024-21379: Microsoft Word Remote Code Execution Vulnerability Microsoft Word Remote Code Execution Vulnerability

CVE-2025-24075 [HIGH] CWE-121 CVE-2025-24075: Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute cod Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2025-60727 [HIGH] CWE-125 CVE-2025-60727: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2025-47173 [HIGH] CWE-641 CVE-2025-47173: Improper input validation in Microsoft Office allows an unauthorized attacker to execute code locall Improper input validation in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2025-54899 [HIGH] CWE-590 CVE-2025-54899: Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2025-24077 [HIGH] CWE-416 CVE-2025-24077: 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-2025-62556 [HIGH] CWE-822 CVE-2025-62556: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.