Microsoft Office Ltsc 2024 vulnerabilities

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-2026-21514 [HIGH] CWE-807 CVE-2026-21514: Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.

CVE-2025-47165 [HIGH] CWE-416 CVE-2025-47165: 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-2025-47176 [HIGH] CWE-35 CVE-2025-47176: '.../...//' in Microsoft Office Outlook allows an authorized attacker to execute code locally. '.../...//' in Microsoft Office Outlook allows an authorized attacker to execute code locally.

CVE-2025-47170 [HIGH] CWE-416 CVE-2025-47170: 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-2025-47957 [HIGH] CWE-416 CVE-2025-47957: 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-2025-47175 [HIGH] CWE-416 CVE-2025-47175: 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-2025-27751 [HIGH] CWE-416 CVE-2025-27751: 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-2026-88156 [CRITICAL] CWE-121 CVE-2026-88156: Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute c Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVE-2026-70242 [CRITICAL] CWE-122 CVE-2026-70242: 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-2026-70291 [CRITICAL] CWE-122 CVE-2026-70291: 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-2026-97749 [CRITICAL] CWE-415 CVE-2026-97749: Double free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a netwo Double free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVE-2026-97016 [CRITICAL] CWE-122 CVE-2026-97016: 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-2026-78509 [CRITICAL] CWE-122 CVE-2026-78509: 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-2025-47171 [MEDIUM] CWE-20 CVE-2025-47171: Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code Improper input validation in Microsoft Office Outlook allows an authorized attacker to execute code locally.

CVE-2026-70300 [CRITICAL] CWE-822 CVE-2026-70300: 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 over a network.

CVE-2026-70096 [CRITICAL] CWE-122 CVE-2026-70096: Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to exec Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.

CVE-2026-88178 [CRITICAL] CWE-416 CVE-2026-88178: 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-2026-97742 [HIGH] CWE-121 CVE-2026-97742: 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 over a network.

CVE-2026-83891 [HIGH] CWE-20 CVE-2026-83891: 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 over a network.