Product:
Microsoft Office Word
Summary
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. This vulnerability can lead to significant impacts on confidentiality, integrity, and availability. Attackers can exploit this flaw to gain control over affected systems.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 8.4 | CVE-2026-40366 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the system running Microsoft Office Word. By manipulating the application to trigger the use after free condition, the attacker can execute arbitrary code. This requires low complexity and does not necessitate user interaction, making it a serious threat.
Affected Products
- Microsoft Office Word: A widely used word processing application that is vulnerable to local code execution due to a use after free issue.
Mitigation
To mitigate this vulnerability, users should ensure that they are running the latest version of Microsoft Office Word with all security updates applied. Regularly checking for updates and applying patches can help protect against potential exploits.