CVE-2025-53734: 
vulnerability analysis and mitigation

Microsoft Office Visio Remote Code Execution Vulnerability (CVE-2025-53734) was disclosed as part of Microsoft's August 2025 Patch Tuesday security updates. The vulnerability affects Microsoft Office Visio and was assigned a CVSS base score of 7.8, indicating a significant security risk (Rapid7, CyberSecurityNews).

CVE-2025-53734 is classified as a Remote Code Execution (RCE) vulnerability with a severity rating of Important. The vulnerability allows an attacker to execute arbitrary code in the context of the current user. This security flaw affects Microsoft Office Visio installations across multiple versions, including Office 2024 Retail, Office 2021 Retail, Office 2019 Retail, and Office 2016 Retail versions (Microsoft Office Updates, Qualys).

If successfully exploited, this vulnerability could allow an attacker to execute malicious code with the same privileges as the logged-in user. This means attackers could potentially install programs, view, change, or delete data, or create new accounts with the same user rights as the compromised user (CyberSecurityNews).

Microsoft has released security updates to address this vulnerability. Users are advised to install the latest security updates available through Windows Update or Microsoft Update. The patches are available for all affected versions of Microsoft Office Visio through KB5002752, KB5002756, KB5002758, KB5002763, and KB5002765 (Qualys).