Product:
Microsoft Office Excel
Summary
Access of resource using incompatible type type confusion in Microsoft Office Excel 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 unauthorized access and execute malicious code.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2025-59233 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the affected system and must interact with the vulnerable application. By manipulating the input to trigger the type confusion, the attacker can execute arbitrary code with the same privileges as the user running the application. This requires user interaction, making it essential for the attacker to convince the user to perform specific actions.
Affected Products
- Microsoft Office Excel: A widely used spreadsheet application that is vulnerable to type confusion, allowing unauthorized code execution.
Mitigation
To mitigate this vulnerability, users should ensure that they are using the latest version of Microsoft Office Excel and apply any available security updates. Additionally, users should avoid opening untrusted documents or files that may exploit this vulnerability. Regular security training and awareness can also help users recognize potential threats.