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-2026-55056 [HIGH] CWE-122 CVE-2026-55056: 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-2026-55123 [HIGH] CWE-122 CVE-2026-55123: Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

CVE-2026-55140 [HIGH] CWE-122 CVE-2026-55140: 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-2026-55049 [HIGH] CWE-122 CVE-2026-55049: 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-2026-55043 [HIGH] CWE-122 CVE-2026-55043: Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.

CVE-2026-44819 [HIGH] CWE-122 CVE-2026-44819: 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-2026-45475 [HIGH] CWE-122 CVE-2026-45475: 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-2026-44824 [HIGH] CWE-122 CVE-2026-44824: 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-2025-62557 [HIGH] CWE-416 CVE-2025-62557: 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-2026-70105 [HIGH] CWE-20 CVE-2026-70105: Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose infor Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

CVE-2026-69739 [HIGH] CWE-125 CVE-2026-69739: Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.

CVE-2023-36765 [CRITICAL] CWE-269 CVE-2023-36765: Microsoft Office Elevation of Privilege Vulnerability Microsoft Office Elevation of Privilege Vulnerability

CVE-2025-47994 [HIGH] CWE-502 CVE-2025-47994: Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate pri Deserialization of untrusted data in Microsoft Office allows an unauthorized attacker to elevate privileges locally.

CVE-2021-34469 [HIGH] CVE-2021-34469: Microsoft Office Security Feature Bypass Vulnerability Microsoft Office Security Feature Bypass 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-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-2025-62562 [HIGH] CWE-416 CVE-2025-62562: Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally. Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.

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.