Microsoft Office 365 For Mac vulnerabilities

CVE-2026-108449 [HIGH] CWE-122 CVE-2026-108449: 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-2026-97767 [HIGH] CWE-415 CVE-2026-97767: Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-97778 [HIGH] CWE-190 CVE-2026-97778: Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

CVE-2026-70269 [HIGH] CWE-122 CVE-2026-70269: 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-2026-88185 [HIGH] CWE-122 CVE-2026-88185: 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-2026-70254 [HIGH] CWE-125 CVE-2026-70254: 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-2026-105718 [HIGH] CWE-20 CVE-2026-105718: 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-2026-78518 [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-2026-97755 [HIGH] CWE-125 CVE-2026-97755: 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-2026-108443 [HIGH] CWE-193 CVE-2026-108443: Off-by-one error in Microsoft Office Word allows an unauthorized attacker to execute code over a net Off-by-one error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-78510 [HIGH] CWE-122 CVE-2026-78510: Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code local Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-77901 [HIGH] CWE-476 CVE-2026-77901: Null pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code ov Null pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.

CVE-2026-45458 [HIGH] CWE-416 CVE-2026-45458: 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-2026-45461 [HIGH] CWE-416 CVE-2026-45461: 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-2026-45472 [HIGH] CWE-416 CVE-2026-45472: 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-2026-45474 [HIGH] CWE-416 CVE-2026-45474: 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-2026-50387 [HIGH] CWE-121 CVE-2026-50387: Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges local Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.

CVE-2026-96995 [HIGH] CWE-121 CVE-2026-96995: Stack-based buffer overflow in Microsoft Office Word allows an authorized attacker to elevate privil Stack-based buffer overflow in Microsoft Office Word allows an authorized attacker to elevate privileges locally.

CVE-2026-45456 [HIGH] CWE-843 CVE-2026-45456: 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.