CVE-2026-55056
EUVD-2026-4421014.07.2026, 18:18
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| microsoft | 365_apps | - |
| microsoft | 365_apps | - |
| microsoft | microsoft_365 | - |
| microsoft | office_2016 | - |
| microsoft | office_2016 | - |
| microsoft | office_2019 | - |
| microsoft | office_2019 | - |
| microsoft | office_2021 | - |
| microsoft | office_2021 | - |
| microsoft | office_2021 | - |
| microsoft | office_2024 | - |
| microsoft | office_2024 | - |
| microsoft | office_2024 | - |
| microsoft | 365_apps | 𝑥 < 2606 |
| microsoft | office | 𝑥 < 2606 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-122 - Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787 - Out-of-bounds WriteThe software writes data past the end, or before the beginning, of the intended buffer.