HIGH Microsoft Corporation Vulnerability Alert

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-2025-62564

Exploitation

To exploit this vulnerability, an attacker must have local access to the affected system and require user interaction. By crafting a malicious file and convincing the user to open it, the attacker can trigger the out-of-bounds read condition, leading to code execution. This requires low complexity and no special privileges, making it a significant risk for users.

Affected Products

  • Microsoft Office Excel: Affected by an out-of-bounds read vulnerability that allows unauthorized code execution.

Mitigation

To mitigate this vulnerability, users should ensure that they apply the latest security updates from Microsoft. It is also recommended to avoid opening untrusted files and to maintain good security practices to limit local access to sensitive systems.

References