Vulnerabilities
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Critical (9+)
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CVSS
EPSS
| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| 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-2026-47290 | 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-2026-50387 | 7.8 high | 0.00% | microsoft, 365_copilot, microsoft_365, office_2021 | Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally. | 14 Oct |
| CVE-2026-63533 | 7.8 high | 0.00% | microsoft, 365_apps, microsoft_365, office_2016 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | 14 Oct |
| CVE-2026-56193 | 7.1 high | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-50678 | 6.6 medium | 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 disclose information locally. | Wed 28 Oct |
| CVE-2026-55026 | 6.2 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-55898 | 6.1 medium | 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 disclose information locally. | Wed 28 Oct |
| CVE-2026-66809 | 5.5 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office 365 for mac | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-66810 | 5.5 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office 365 for mac | Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-66806 | 5.5 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office ltsc 2021 | Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-70317 | 5.5 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-68809 | 5.5 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office ltsc 2021 | Incomplete cleanup in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-63521 | 5.5 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2019, microsoft office ltsc 2021 | Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-55139 | 5.5 medium | 0.00% | microsoft, microsoft 365 apps for enterprise, microsoft office 2016, microsoft office 2019 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. | Wed 28 Oct |
| CVE-2026-56157 | 5.4 medium | 0.00% | microsoft, microsoft sharepoint enterprise server 2016, microsoft sharepoint server 2019, microsoft sharepoint server subscription edition | Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network. | Wed 28 Oct |
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EPSS scores: 2026-10-29. 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.