| CVE-2026-56157 | Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network. | medium | 2026-07-15 |
| CVE-2026-56156 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55949 | Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55947 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55944 | Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network. | critical | 2026-07-22 |
| CVE-2026-55898 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | high | 2026-07-15 |
| CVE-2026-55145 | Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perform tampering over a network. | high | 2026-07-22 |
| CVE-2026-55142 | Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally. | medium | 2026-07-16 |
| CVE-2026-55141 | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55140 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55139 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. | low | 2026-07-16 |
| CVE-2026-55138 | Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | medium | 2026-07-15 |
| CVE-2026-55137 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55136 | Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55135 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network. | medium | 2026-07-16 |
| CVE-2026-55134 | Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55133 | Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally. | high | 2026-07-22 |
| CVE-2026-55132 | Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55131 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55130 | Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55129 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55128 | Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55127 | Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55126 | Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network. | medium | 2026-07-16 |
| CVE-2026-55125 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55124 | Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally. | medium | 2026-07-16 |
| CVE-2026-55123 | Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55122 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | high | 2026-07-15 |
| CVE-2026-55121 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. | medium | 2026-07-15 |
| CVE-2026-55120 | Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55058 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55057 | Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally. | medium | 2026-07-16 |
| CVE-2026-55056 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55055 | Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55054 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. | medium | 2026-07-15 |
| CVE-2026-55053 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55052 | Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network. | high | 2026-07-16 |
| CVE-2026-55051 | Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network. | medium | 2026-07-16 |
| CVE-2026-55050 | Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally. | medium | 2026-07-16 |
| CVE-2026-55049 | Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55048 | Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-15 |
| CVE-2026-55047 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. | medium | 2026-07-16 |
| CVE-2026-55046 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | medium | 2026-07-16 |
| CVE-2026-55045 | Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55044 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55043 | Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55042 | Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally. | medium | 2026-07-16 |
| CVE-2026-55041 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |
| CVE-2026-55040 | Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network. | critical | 2026-07-15 |
| CVE-2026-55039 | Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | high | 2026-07-16 |