{"id":81463,"date":"2025-10-04T00:27:53","date_gmt":"2025-10-04T00:27:53","guid":{"rendered":""},"modified":"2025-10-29T17:39:03","modified_gmt":"2025-10-29T23:39:03","slug":"cve-2025-53739-unauthorized-code-execution-via-type-confusion-in-microsoft-office-excel","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53739-unauthorized-code-execution-via-type-confusion-in-microsoft-office-excel\/","title":{"rendered":"CVE-2025-53739: Unauthorized Code Execution via Type Confusion in Microsoft Office Excel<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

CVE-2025-53739 is a critical vulnerability that affects Microsoft Office Excel. The vulnerability stems from an access of resource using incompatible type, otherwise known as ‘type confusion’. This flaw can be exploited by an unauthorized attacker to execute code<\/a> locally on the victim’s system. Given the widespread use of Microsoft Office<\/a> Excel in both professional and personal contexts, this vulnerability has far-reaching implications. If successfully exploited, it could potentially compromise systems or lead<\/a> to data leakage, posing a significant threat to data privacy and system integrity.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-53739
\nSeverity: High (7.8 CVSS Score)
\nAttack Vector: Local
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: System compromise<\/a>, potential data leakage<\/p>\n

Affected Products<\/strong><\/p>

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