Microsoft 365 Apps For Enterprise vulnerabilities

CVE-2026-72938 [MEDIUM] CWE-822 CVE-2026-72938: Access of resource using incompatible type ('type confusion') in Microsoft Office PowerPoint allows Access of resource using incompatible type ('type confusion') in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.

CVE-2026-72956 [MEDIUM] CWE-822 CVE-2026-72956: Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disc Untrusted pointer dereference in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information over a network.

CVE-2026-108435 [MEDIUM] CWE-822 CVE-2026-108435: Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose i Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.

CVE-2023-21741 [HIGH] CWE-125 CVE-2023-21741: Microsoft Office Visio Information Disclosure Vulnerability Microsoft Office Visio Information Disclosure Vulnerability

CVE-2021-42293 [MEDIUM] CVE-2021-42293: Microsoft Jet Red Database Engine and Access Connectivity Engine Elevation of Privilege Vulnerabilit Microsoft Jet Red Database Engine and Access Connectivity Engine Elevation of Privilege Vulnerability

CVE-2025-24078 [HIGH] CWE-416 CVE-2025-24078: 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-2025-59221 [HIGH] CWE-416 CVE-2025-59221: 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-2025-49699 [HIGH] CWE-416 CVE-2025-49699: 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-2024-38170 [HIGH] CWE-122 CVE-2024-38170: Microsoft Excel Remote Code Execution Vulnerability Microsoft Excel Remote Code Execution Vulnerability

CVE-2026-97774 [HIGH] CWE-367 CVE-2026-97774: Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authori Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

CVE-2026-55122 [HIGH] CWE-125 CVE-2026-55122: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2021-31178 [MEDIUM] CWE-191 CVE-2021-31178: Microsoft Office Information Disclosure Vulnerability Microsoft Office Information Disclosure Vulnerability

CVE-2024-38173 [MEDIUM] CWE-73 CVE-2024-38173: Microsoft Outlook Remote Code Execution Vulnerability Microsoft Outlook Remote Code Execution Vulnerability

CVE-2025-21357 [MEDIUM] CWE-908 CVE-2025-21357: Microsoft Outlook Remote Code Execution Vulnerability Microsoft Outlook Remote Code Execution Vulnerability

CVE-2020-1493 [MEDIUM] CWE-922 CVE-2020-1493: An information disclosure vulnerability exists when attaching files to Outlook messages. This vulner An information disclosure vulnerability exists when attaching files to Outlook messages. This vulnerability could potentially allow users to share attached files such that they are accessible by anonymous users where they should be restricted to specific users. To exploit this vulnerability, an attacker would have to attach a file as a link to an emai

CVE-2021-27055 [HIGH] CVE-2021-27055: Microsoft Visio Security Feature Bypass Vulnerability Microsoft Visio Security Feature Bypass Vulnerability

CVE-2024-21402 [HIGH] CWE-285 CVE-2024-21402: Microsoft Outlook Elevation of Privilege Vulnerability Microsoft Outlook Elevation of Privilege Vulnerability

CVE-2026-55898 [HIGH] CWE-125 CVE-2026-55898: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

CVE-2026-21530 [MEDIUM] CWE-415 CVE-2026-21530: Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally. Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.

CVE-2026-66810 [MEDIUM] CWE-122 CVE-2026-66810: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose info Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.