Microsoft 365 Apps For Enterprise vulnerabilities

CVE-2026-105592 [HIGH] CWE-122 CVE-2026-105592: 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-2026-105714 [HIGH] CWE-122 CVE-2026-105714: 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-2026-108448 [HIGH] CWE-122 CVE-2026-108448: Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute co Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVE-2025-47994 [HIGH] CWE-502 CVE-2025-47994: Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate pri Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.

CVE-2021-34469 [HIGH] CVE-2021-34469: Microsoft Office Security Feature Bypass Vulnerability Microsoft Office Security Feature Bypass Vulnerability

CVE-2025-47167 [HIGH] CWE-843 CVE-2025-47167: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthor Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-55045 [HIGH] CWE-125 CVE-2026-55045: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-33114 [HIGH] CWE-822 CVE-2026-33114: Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute co Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2024-30101 [HIGH] CWE-416 CVE-2024-30101: Microsoft Office Remote Code Execution Vulnerability Microsoft Office Remote Code Execution Vulnerability

CVE-2025-62562 [HIGH] CWE-416 CVE-2025-62562: Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.

CVE-2025-30377 [HIGH] CWE-416 CVE-2025-30377: 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-2026-55055 [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-2026-55038 [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-2026-55134 [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-2026-26110 [HIGH] CWE-843 CVE-2026-26110: Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthor Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-20950 [HIGH] CWE-416 CVE-2026-20950: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-81947 [HIGH] CWE-122 CVE-2026-81947: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-81397 [HIGH] CWE-122 CVE-2026-81397: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-81948 [HIGH] CWE-122 CVE-2026-81948: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-81951 [HIGH] CWE-122 CVE-2026-81951: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.