Microsoft 365 Apps For Enterprise vulnerabilities

CVE-2026-81955 [HIGH] CWE-122 CVE-2026-81955: Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execut Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

CVE-2026-69285 [HIGH] CWE-122 CVE-2026-69285: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

CVE-2026-40364 [HIGH] CWE-122 CVE-2026-40364: Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an una Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally.

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-2026-81385 [HIGH] CWE-502 CVE-2026-81385: Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to e Deserialization of untrusted data in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.

CVE-2026-69742 [HIGH] CWE-190 CVE-2026-69742: Integer overflow or wraparound in Microsoft Office Publisher allows an unauthorized attacker to exec Integer overflow or wraparound in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.

CVE-2026-81952 [HIGH] CWE-122 CVE-2026-81952: 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 over a network.

CVE-2026-78526 [HIGH] CWE-122 CVE-2026-78526: 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 over a network.

CVE-2026-78514 [HIGH] CWE-416 CVE-2026-78514: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a netwo Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-78517 [HIGH] CWE-122 CVE-2026-78517: 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 over a network.

CVE-2026-78521 [HIGH] CWE-122 CVE-2026-78521: 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 over a network.

CVE-2026-78507 [HIGH] CWE-416 CVE-2026-78507: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a netwo Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-69529 [HIGH] CWE-122 CVE-2026-69529: Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute cod Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

CVE-2020-1483 [HIGH] CWE-787 CVE-2020-1483: 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-2026-78518 [HIGH] CWE-20 CVE-2026-78518: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-78512 [HIGH] CWE-122 CVE-2026-78512: Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code ov Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-70329 [HIGH] CWE-190 CVE-2026-70329: Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execut Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVE-2026-62870 [HIGH] CWE-416 CVE-2026-62870: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a netw Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-80081 [HIGH] CWE-416 CVE-2026-80081: Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.

CVE-2026-80085 [HIGH] CWE-122 CVE-2026-80085: 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 over a network.