Vulnerabilities
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Critical (9+)
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CVSS
EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2026-63513 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | 24 h ago |
| CVE-2026-68807 | 7.8 high | 0.00% | microsoft, 365_apps, excel, microsoft_365 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-56176 | 7.8 high | 0.00% | microsoft, microsoft office 365 for mac, microsoft office for android, microsoft office ltsc for mac 2021 | Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. | Wed 28 Oct |
| CVE-2026-56156 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 365 for mac, microsoft office ltsc 2021 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55949 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55947 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-54131 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office 365 for mac | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55120 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office 365 for mac | Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55123 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office 365 for mac | Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55133 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 365 for mac, microsoft office ltsc for mac 2021 | Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55043 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office 365 for mac | Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55140 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55056 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55131 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55053 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55137 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55058 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55037 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55044 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55036 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55129 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55141 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55136 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55041 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55049 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55039 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55029 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55048 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55031 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55025 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55022 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55018 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55024 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55017 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-50467 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-50314 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-50301 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-47642 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office 365 for mac | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-47290 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-58618 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55948 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-55899 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-50675 | 7.8 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft excel 2016, microsoft office 2019 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Wed 28 Oct |
| CVE-2026-23657 | 7.8 high | 0.00% | microsoft, 365_apps, office_long_term_servicing_channel | Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. | Mon 26 Oct |
| CVE-2026-32189 | 7.8 high | 0.00% | microsoft, 365_apps, excel, office | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Mon 26 Oct |
| CVE-2026-32198 | 7.8 high | 0.00% | microsoft, 365_apps, excel, office | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Mon 26 Oct |
| CVE-2026-32199 | 7.8 high | 0.00% | microsoft, 365_apps, excel, office | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Mon 26 Oct |
| CVE-2026-32200 | 7.8 high | 0.00% | microsoft, 365_apps, office, office_long_term_servicing_channel | Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. | Mon 26 Oct |
| CVE-2026-40362 | 7.8 high | 0.00% | microsoft, 365_apps, excel, office | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Mon 26 Oct |
| CVE-2026-40418 | 7.8 high | 0.00% | microsoft, 365_apps, office, office_long_term_servicing_channel | Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally. | Mon 26 Oct |
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EPSS scores: 2026-10-30. NVD cursor: 2026-10-29 00:22. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.