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Vulnerabilities of Microsoft Microsoft Excel 2016

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CVE Summary Score Published
CVE-2026-68795 Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-68796 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
CVE-2026-68793 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Aug 11, 2026
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-2026-62870 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network 8.8 High Aug 3, 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-2026-55947 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-2026-55131 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55053 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55122 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 7.1 High Jul 14, 2026
CVE-2026-55137 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55058 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55037 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55054 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network 6.5 Medium Jul 14, 2026
CVE-2026-55036 Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55044 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55141 Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55136 Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55138 Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally 5.5 Medium Jul 14, 2026
CVE-2026-55041 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55039 Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55029 Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026
CVE-2026-55048 Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally 7.8 High Jul 14, 2026

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