5.5
Medium
CVE-2026-78506 Improper null termination in Microsoft Office Word allows an unauthorized attacker to disclose information locally
Description
Improper null termination in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft 365 Apps for Enterprise 16.0 | 16.0.1 → < 16.0.20326.20138 | 16.0.20326.20138 |
| Microsoft Office 2019 16.0 | earliest → < 16.0.10417.20207 | 16.0.10417.20207 |
| Microsoft Office 365 for Mac 1.0 | 1.0.0 → < 16.113.26091433 | 16.113.26091433 |
| Microsoft Office LTSC 2021 16.0 | 16.0.1 → < 16.0.14334.20906 | 16.0.14334.20906 |
| Microsoft Office LTSC 2024 16.0 | 16.0.0 → < 16.0.17932.20976 | 16.0.17932.20976 |
| Microsoft Office LTSC for Mac 2021 16.0 | 16.0.1 → < 16.113.26091433 | 16.113.26091433 |
| Microsoft Office LTSC for Mac 2024 16.0 | 16.0.0 → < 16.113.26091433 | 16.113.26091433 |
| Microsoft Word 2016 16.0 | 16.0.1 → < 16.0.5569.1000 | 16.0.5569.1000 |
References
- Microsoft Office Word Information Disclosure Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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