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Vulnerabilities of Microsoft Microsoft 365 Apps for Enterprise

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CVE Summary Score Published
CVE-2026-83891 Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-88153 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network 6.5 Medium Oct 13, 2026
CVE-2026-88156 Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network 9.8 Critical Oct 13, 2026
CVE-2026-88145 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-88150 Use of uninitialized resource in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-88151 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network 6.5 Medium Oct 13, 2026
CVE-2026-70276 Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally 7.0 High Oct 13, 2026
CVE-2026-70291 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network 9.8 Critical Oct 13, 2026
CVE-2026-70302 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-70220 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally 7.8 High Oct 13, 2026
CVE-2026-70256 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-70257 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-70206 Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network 6.5 Medium Oct 13, 2026
CVE-2026-70268 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-70269 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.1 High Oct 13, 2026
CVE-2026-70287 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-70263 Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network 6.5 Medium Oct 13, 2026
CVE-2026-70282 Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-70096 Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a… 9.8 Critical Oct 13, 2026
CVE-2026-105717 Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-105718 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-105714 Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-105715 Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code over a network 7.5 High Oct 13, 2026
CVE-2026-105716 Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026
CVE-2026-105598 Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network 8.8 High Oct 13, 2026

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