CVE-2026-55140
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 < https://aka.ms/OfficeSecurityReleases | affected |
| Microsoft | Microsoft Office 2016 | 16.0.0 < 16.0.5561.1000 | affected |
| Microsoft | Microsoft Office 2019 | 19.0.0 < https://aka.ms/OfficeSecurityReleases | affected |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0 < 16.111.26071215 | affected |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 < https://aka.ms/OfficeSecurityReleases | affected |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 < https://aka.ms/OfficeSecurityReleases | affected |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 < 16.111.26071215 | affected |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 < 16.111.26071215 | affected |
Weaknesses
- CWE-122: CWE-122: Heap-based Buffer Overflow
References
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