Microsoft Excel 2016 vulnerabilities

CVE-2026-32199 [HIGH] CWE-416 CVE-2026-32199: 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-2026-32197 [HIGH] CWE-416 CVE-2026-32197: 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-2025-21362 [HIGH] CWE-416 CVE-2025-21362: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2025-62553 [HIGH] CWE-416 CVE-2025-62553: 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-2025-62563 [HIGH] CWE-416 CVE-2025-62563: 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-2026-81388 [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-2026-55141 [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-2021-38655 [HIGH] CWE-416 CVE-2021-38655: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2025-62203 [HIGH] CWE-416 CVE-2025-62203: 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-2025-62201 [HIGH] CWE-122 CVE-2025-62201: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2026-20957 [HIGH] CWE-122 CVE-2026-20957: 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-2026-81949 [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-2026-55048 [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.