Microsoft Office 365 For Mac vulnerabilities

CVE-2026-81388 [HIGH] CWE-121 CVE-2026-81388: 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 locally.

CVE-2026-81953 [HIGH] CWE-121 CVE-2026-81953: 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 locally.

CVE-2026-81950 [HIGH] CWE-415 CVE-2026-81950: Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-81396 [HIGH] CWE-121 CVE-2026-81396: 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 locally.

CVE-2026-68817 [HIGH] CWE-121 CVE-2026-68817: 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 locally.

CVE-2026-68816 [HIGH] CWE-121 CVE-2026-68816: 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 locally.

CVE-2026-68795 [HIGH] CWE-121 CVE-2026-68795: 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 locally.

CVE-2026-63527 [HIGH] CWE-121 CVE-2026-63527: 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-2026-64907 [HIGH] CWE-121 CVE-2026-64907: 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-2026-55141 [HIGH] CWE-121 CVE-2026-55141: 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 locally.

CVE-2026-55899 [HIGH] CWE-20 CVE-2026-55899: 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 locally.

CVE-2026-96997 [HIGH] CWE-416 CVE-2026-96997: Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges local Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.

CVE-2026-81949 [HIGH] CWE-190 CVE-2026-81949: 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 locally.

CVE-2026-64909 [HIGH] CWE-122 CVE-2026-64909: Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execut Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-55048 [HIGH] CWE-122 CVE-2026-55048: 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 locally.

CVE-2026-55039 [HIGH] CWE-122 CVE-2026-55039: Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-62804 [HIGH] CWE-73 CVE-2026-62804: External control of file name or path in Microsoft Office Word allows an unauthorized attacker to ex External control of file name or path in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-63532 [HIGH] CWE-122 CVE-2026-63532: Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code l Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2026-68811 [HIGH] CWE-843 CVE-2026-68811: 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 locally.

CVE-2026-68803 [HIGH] CWE-843 CVE-2026-68803: 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 locally.