Product:
Microsoft Office Excel
Summary
Use after free 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 arbitrary code.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2025-54896 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the affected system and must convince the user to interact with a malicious document. Once the user opens the document, the attacker can leverage the use after free condition to execute arbitrary code with the same privileges as the user.
Affected Products
- Microsoft Office Excel: A widely used spreadsheet application that allows users to create and manage spreadsheets.
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 and be cautious of any prompts that require user interaction.