VDB
CVE-2026-45466
CVE-2026-45466
PUBLISHED
CVSS 3.3 LOW
Reported by microsoft · Published June 9, 2026
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Risk Scores
CVSS 3.1
3.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0 |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1, 16.0.1, 16.0.1 |
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1, 16.0.1, 16.0.1 |
| microsoft | office_macos_2021 | 16.0.1, 16.0.1, 16.0.1 |
| microsoft | office_macos_2024 | 16.0.0, -, - |
| microsoft | office_365 | 1.0.0, 1.0.0, 1.0.0 |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0, -, - |
| Microsoft | Microsoft Office LTSC for Mac 2021 | -, -, - |
| microsoft | 365_apps | 16.0.1, 16.0.1, 16.0.1 |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0, 16.0.0, 16.0.0 |
| microsoft | office_2024 | 16.0.0, 16.0.0, 16.0.0 |
| microsoft | office_2021 | 16.0.1, 16.0.1, 16.0.1 |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0, -, - |
Timeline
- Jun 9, 2026 CVE Published
- Jun 10, 2026 Coalition ESS Score
- Jun 10, 2026 Security Advisory
- Jun 12, 2026 Security Advisory
- Jun 19, 2026 CVE Updated
References
- Microsoft Word Information Disclosure Vulnerability vendor-advisorypatch