Product:
Microsoft Office Excel
Summary
Out-of-bounds read 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 to sensitive information and execute arbitrary code.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2025-54902 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the affected system and must convince a user to interact with a malicious file or application. Once the user opens the compromised file, the attacker can leverage the out-of-bounds read to execute arbitrary code with the same privileges as the user, potentially leading to further exploitation of the system.
Affected Products
- Microsoft Office Excel: A widely used spreadsheet application that is vulnerable to out-of-bounds read, allowing unauthorized code execution.
Mitigation
To mitigate this vulnerability, users should ensure that they apply the latest security updates provided by Microsoft. Additionally, users should avoid opening untrusted files or applications and maintain good security practices to limit local access to their systems.