Microsoft Office Ltsc 2021 vulnerabilities

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-2026-69629 [HIGH] CWE-122 CVE-2026-69629: 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-2026-72972 [HIGH] CWE-122 CVE-2026-72972: 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-2026-69442 [HIGH] CWE-122 CVE-2026-69442: 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-2026-81952 [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-2026-69556 [HIGH] CWE-122 CVE-2026-69556: 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-2026-78517 [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-2026-69778 [HIGH] CWE-122 CVE-2026-69778: 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-2026-72973 [HIGH] CWE-122 CVE-2026-72973: 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-2026-69529 [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-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-2026-78521 [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-2026-80085 [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.

CVE-2026-80080 [HIGH] CWE-415 CVE-2026-80080: Double free in Microsoft Office Word allows an unauthorized attacker to execute code over a network. Double free 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-2026-78511 [HIGH] CWE-122 CVE-2026-78511: 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-2026-69764 [HIGH] CWE-122 CVE-2026-69764: 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-2026-65807 [HIGH] CWE-843 CVE-2026-65807: 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 over a network.

CVE-2026-97017 [HIGH] CWE-416 CVE-2026-97017: 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.