CVE-2026-40364
8.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Access of resource using incompatible type ('type confusion') in Microsoft Office Word 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 2019 | 19.0.0 < https://aka.ms/OfficeSecurityReleases | 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 < 16.109.26051019 | affected |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 < 16.109.26051019 | affected |
| Microsoft | Microsoft Word 2016 | 16.0.1 < 16.0.5552.1000 | affected |
Weaknesses
- CWE-843: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
- CWE-908: CWE-908: Use of Uninitialized Resource
- CWE-122: CWE-122: Heap-based Buffer Overflow
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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