Product:
Microsoft Office Excel
Summary
Heap-based buffer overflow 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-2025-62201 |
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. Once the user opens the file, the buffer overflow can be triggered, allowing the attacker to execute arbitrary code with the same privileges as the user. This makes user interaction a critical component of the exploitation process.
Affected Products
- Microsoft Office Excel: Affected by a heap-based buffer overflow that allows unauthorized code execution.
Mitigation
To mitigate this vulnerability, users should ensure that they apply the latest security updates from Microsoft. Additionally, users should avoid opening untrusted files and be cautious of any prompts that require user interaction. Regularly updating software and employing security best practices can help reduce the risk of exploitation.