{"id":58520,"date":"2025-07-08T21:06:03","date_gmt":"2025-07-08T21:06:03","guid":{"rendered":""},"modified":"2025-09-09T02:35:50","modified_gmt":"2025-09-09T08:35:50","slug":"cve-2025-30393-critical-use-after-free-vulnerability-in-microsoft-office-excel","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-30393-critical-use-after-free-vulnerability-in-microsoft-office-excel\/","title":{"rendered":"CVE-2025-30393: Critical Use After Free Vulnerability in Microsoft Office Excel<\/strong>"},"content":{"rendered":"

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

In the realm of cybersecurity, vulnerabilities are a constant cause for concern. One such vulnerability, known as CVE-2025-30393, poses a significant threat to users of Microsoft Office Excel. This vulnerability allows an unauthorized attacker to execute code<\/a> locally, leading to potential system compromise or data leakage. With the widespread use of Microsoft Office<\/a> Excel within businesses and by individual consumers, the impact and reach of this vulnerability cannot be overstated. Its severity underscores the need for immediate action to mitigate the potential risks.<\/p>\n

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

CVE ID: CVE-2025-30393
\nSeverity: High (7.8 CVSS Score)
\nAttack Vector: Local
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Unauthorized code execution, potential system<\/a> compromise, and data leakage<\/p>\n

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

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\r\n \r\n \"Ameeba\r\n <\/a>\r\n Share secrets securely\r\n <\/h2>\r\n\r\n

\r\n Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n <\/p>\r\n\r\n

\r\n Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n <\/p>\r\n\r\n