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-2025-54898

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 in Microsoft Office Excel, the attacker can trigger the out-of-bounds read condition, leading to code execution.

Affected Products

  • Microsoft Office Excel: A widely used spreadsheet application that is vulnerable to out-of-bounds read issues, 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 be cautious when opening files from untrusted sources to prevent exploitation.

References