Microsoft Office 2019 vulnerabilities

CVE-2026-55017 [HIGH] CWE-122 CVE-2026-55017: 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-2026-55125 [HIGH] CWE-122 CVE-2026-55125: 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-2025-21362 [HIGH] CWE-416 CVE-2025-21362: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2025-47167 [HIGH] CWE-843 CVE-2025-47167: 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.

CVE-2025-53733 [HIGH] CWE-681 CVE-2025-53733: Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-55045 [HIGH] CWE-125 CVE-2026-55045: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.

CVE-2024-30101 [HIGH] CWE-416 CVE-2024-30101: Microsoft Office Remote Code Execution Vulnerability Microsoft Office Remote Code Execution Vulnerability

CVE-2025-30377 [HIGH] CWE-416 CVE-2025-30377: 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-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-2026-26108 [HIGH] CWE-122 CVE-2026-26108: 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-2025-62558 [HIGH] CWE-416 CVE-2025-62558: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2025-62559 [HIGH] CWE-416 CVE-2025-62559: Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVE-2026-26110 [HIGH] CWE-843 CVE-2026-26110: 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.

CVE-2025-59227 [HIGH] CWE-416 CVE-2025-59227: 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-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-2026-26107 [HIGH] CWE-416 CVE-2026-26107: 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-2026-20950 [HIGH] CWE-416 CVE-2026-20950: 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-2026-21260 [HIGH] CWE-200 CVE-2026-21260: Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an una Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

CVE-2025-62554 [HIGH] CWE-843 CVE-2025-62554: 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.

CVE-2026-47642 [HIGH] CWE-416 CVE-2026-47642: 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.