Microsoft 365 Apps For Enterprise vulnerabilities

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-2025-62205 [HIGH] CWE-416 CVE-2025-62205: 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-2025-62216 [HIGH] CWE-416 CVE-2025-62216: 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-2025-49705 [HIGH] CWE-122 CVE-2025-49705: 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-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-2026-26109 [HIGH] CWE-125 CVE-2026-26109: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

CVE-2021-38654 [HIGH] CWE-129 CVE-2021-38654: Microsoft Office Visio Remote Code Execution Vulnerability Microsoft Office Visio Remote Code Execution Vulnerability

CVE-2021-38653 [HIGH] CWE-787 CVE-2021-38653: Microsoft Office Visio Remote Code Execution Vulnerability Microsoft Office Visio Remote Code Execution Vulnerability

CVE-2021-38659 [HIGH] CVE-2021-38659: Microsoft Office Graphics Remote Code Execution Vulnerability Microsoft Office Graphics Remote Code Execution Vulnerability

CVE-2026-40418 [HIGH] CWE-416 CVE-2026-40418: Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.

CVE-2021-41368 [HIGH] CVE-2021-41368: Microsoft Access Remote Code Execution Vulnerability Microsoft Access Remote Code Execution Vulnerability

CVE-2020-16932 [HIGH] CWE-908 CVE-2020-16932: <p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of t

CVE-2020-16931 [HIGH] CWE-908 CVE-2020-16931: <p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of t

CVE-2020-16930 [HIGH] CWE-787 CVE-2020-16930: <p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of t

CVE-2021-27053 [HIGH] CVE-2021-27053: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2021-27054 [HIGH] CVE-2021-27054: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2021-27056 [HIGH] CVE-2021-27056: Microsoft PowerPoint Remote Code Execution Vulnerability Microsoft PowerPoint Remote Code Execution Vulnerability

CVE-2020-17128 [HIGH] CVE-2020-17128: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2025-27745 [HIGH] CWE-416 CVE-2025-27745: 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.