{"id":80588,"date":"2025-10-02T14:38:41","date_gmt":"2025-10-02T14:38:41","guid":{"rendered":""},"modified":"2025-10-09T22:26:48","modified_gmt":"2025-10-10T04:26:48","slug":"cve-2025-53730-critical-use-after-free-vulnerability-in-microsoft-office-visio","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53730-critical-use-after-free-vulnerability-in-microsoft-office-visio\/","title":{"rendered":"<strong>CVE-2025-53730: Critical Use-After-Free Vulnerability in Microsoft Office Visio<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this blog post, we are going to delve into the details of a high severity vulnerability, CVE-2025-53730, affecting Microsoft Office Visio. This vulnerability is a critical use-after-free issue that can allow an unauthorized attacker to execute arbitrary code on the victim\u2019s system locally. It&#8217;s a significant threat due to the widespread use of Microsoft Office products across businesses globally, meaning a large number of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9443-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1-potentially-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"89036\">systems could potentially<\/a> be at risk.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-53730<br \/>\nSeverity: High (7.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: Potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-36326-bypassing-amd-romarmor-protections-to-compromise-system-security\/\"  data-wpil-monitor-id=\"87844\">system compromise<\/a> and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3647277560\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54897-deserialization-vulnerability-in-microsoft-office-sharepoint\/\"  data-wpil-monitor-id=\"89211\">Microsoft Office<\/a> Visio | All prior to the latest patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>A use-after-free <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5037-memory-corruption-vulnerability-in-autodesk-revit-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"88122\">vulnerability involves the use of memory<\/a> after it has been freed. This can lead to various unwanted outcomes, including program crashes, incorrect outputs, and potentially, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47098-arbitrary-code-execution-vulnerability-in-incopy\/\"  data-wpil-monitor-id=\"88152\">arbitrary code execution<\/a>. In the context of CVE-2025-53730, an attacker could craft a malicious Visio file which, when opened by the victim, exploits this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-57151-cross-site-scripting-vulnerability-in-phpgurukul-complaint-management-system-2-0\/\"  data-wpil-monitor-id=\"87790\">vulnerability to execute arbitrary code on the local system<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-182637956\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Below is a conceptual example illustrating a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-10533-critical-vulnerability-in-firefox-and-thunderbird-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"89389\">potential malicious payload that could exploit this vulnerability<\/a>. This is not a real exploit code, but rather a simplified representation to give an idea of how the exploit could work.<\/p>\n<pre><code class=\"\" data-line=\"\"># Malicious shellcode\nmalicious_code = &quot;&quot;&quot;\n&lt;shellcode representing arbitrary code execution&gt;\n&quot;&quot;&quot;\n# Craft a malicious Visio file\nvisio_file = create_visio_file_with_malicious_code(malicious_code)\n# Send the malicious Visio file to the victim\nsend_file_to_victim(visio_file)<\/code><\/pre>\n<p>In this conceptual example, the attacker creates a Visio file embedding malicious shellcode. This file is then sent to the victim, who opens it, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-56265-arbitrary-file-upload-vulnerability-in-n8n-s-chat-trigger-component\/\"  data-wpil-monitor-id=\"87943\">triggering the use-after-free vulnerability<\/a> and executing the malicious code.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are advised to apply the vendor patch immediately to mitigate this vulnerability. If unable to apply the patch, users can use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation. These measures can help protect against the exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-59033-critical-vulnerability-in-microsoft-s-driver-block-list\/\"  data-wpil-monitor-id=\"88605\">vulnerability by detecting and blocking<\/a> malicious traffic patterns or payloads.<br \/>\nRemember, staying updated with the latest security patches and implementing a robust <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88540\">cybersecurity<\/a> infrastructure are essential components in defending against such vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this blog post, we are going to delve into the details of a high severity vulnerability, CVE-2025-53730, affecting Microsoft Office Visio. This vulnerability is a critical use-after-free issue that can allow an unauthorized attacker to execute arbitrary code on the victim\u2019s system locally. It&#8217;s a significant threat due to the widespread use of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[82],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-80588","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=80588"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80588\/revisions"}],"predecessor-version":[{"id":82236,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80588\/revisions\/82236"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=80588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=80588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=80588"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=80588"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=80588"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=80588"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=80588"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=80588"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=80588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}