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Vulnerabilities of Microsoft Microsoft Office 365 for Mac

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CVE Summary Score Published
CVE-2026-68794 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-65807 Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized… 8.8 High Aug 11, 2026
CVE-2026-65664 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-65657 Use after free in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-63519 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-63517 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Medium Aug 11, 2026
CVE-2026-63518 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-63515 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-63513 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-62877 Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally 7.8 High Aug 11, 2026
CVE-2026-62740 Use of uninitialized resource in Windows Imaging Component allows an authorized attacker to disclose information locally 5.5 Medium Aug 11, 2026
CVE-2026-55121 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-57084 Use of uninitialized resource in Windows File Explorer allows an unauthorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-57083 Use of uninitialized resource in Microsoft Windows Codecs Library allows an unauthorized attacker to disclose… 5.5 Medium Jul 14, 2026
CVE-2026-56195 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-50665 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 7.8 High Jul 14, 2026
CVE-2026-56192 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-56176 Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally 7.8 High Jul 14, 2026
CVE-2026-55949 Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-56156 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55947 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55898 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 6.1 Medium Jul 14, 2026
CVE-2026-54131 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55120 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55123 Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026

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