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Vulnerabilities of Microsoft Microsoft Office 365 for Mac

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CVE Summary Score Published
CVE-2026-44824 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-44821 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 5.5 Medium Jun 9, 2026
CVE-2026-44823 Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-44820 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-44818 Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Office Excel… 7.0 High Jun 9, 2026
CVE-2026-44819 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-44817 Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized… 7.8 High Jun 9, 2026
CVE-2026-45485 Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally 3.3 Low Jun 9, 2026
CVE-2026-45486 Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-45474 Use after free in Microsoft Office allows an unauthorized attacker to execute code locally 8.4 High Jun 9, 2026
CVE-2026-45471 Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-45472 Use after free in Microsoft Office allows an unauthorized attacker to execute code locally 8.4 High Jun 9, 2026
CVE-2026-45475 Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026
CVE-2026-45469 Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jun 9, 2026

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