Microsoft Office 365 For Mac vulnerabilities

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-2026-78510 [CRITICAL] CWE-122 CVE-2026-78510: 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-2026-69759 [HIGH] CWE-121 CVE-2026-69759: 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.

CVE-2026-69686 [HIGH] CWE-121 CVE-2026-69686: 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.

CVE-2026-69722 [HIGH] CWE-121 CVE-2026-69722: 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.

CVE-2026-78504 [HIGH] CWE-121 CVE-2026-78504: 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.

CVE-2026-78505 [HIGH] CWE-122 CVE-2026-78505: 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-2026-69671 [HIGH] CWE-122 CVE-2026-69671: 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-2026-72972 [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-2026-69556 [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-2026-72973 [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-2026-78511 [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-2026-78524 [HIGH] CWE-787 CVE-2026-78524: Out-of-bounds write in Microsoft Office allows an unauthorized attacker to execute code over a netwo Out-of-bounds write in Microsoft Office allows an unauthorized attacker to execute code over a network.

CVE-2026-78525 [HIGH] CWE-416 CVE-2026-78525: Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a ne Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

CVE-2026-69767 [HIGH] CWE-416 CVE-2026-69767: 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-2026-69797 [HIGH] CWE-416 CVE-2026-69797: 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-2026-69678 [HIGH] CWE-416 CVE-2026-69678: 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-2026-69632 [HIGH] CWE-416 CVE-2026-69632: Use after free in Microsoft Office allows an unauthorized attacker to execute code over a network. Use after free in Microsoft Office allows an unauthorized attacker to execute code over a network.

CVE-2026-78439 [HIGH] CWE-121 CVE-2026-78439: Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execu Stack-based buffer overflow in Microsoft Graphics Component 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.