{"id":47062,"date":"2025-05-31T11:36:59","date_gmt":"2025-05-31T11:36:59","guid":{"rendered":""},"modified":"2025-10-29T17:39:08","modified_gmt":"2025-10-29T23:39:08","slug":"cve-2025-47181-microsoft-edge-improper-link-resolution-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47181-microsoft-edge-improper-link-resolution-vulnerability\/","title":{"rendered":"<strong>CVE-2025-47181: Microsoft Edge Improper Link Resolution Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this blog post, we will be analyzing a recently discovered vulnerability, CVE-2025-47181, that affects Chromium-based Microsoft Edge browser. This vulnerability allows an authorized attacker to elevate privileges locally through improper link resolution before file access, commonly known as &#8216;link following&#8217;. Given the widespread use of Microsoft Edge, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44898-critical-stack-overflow-vulnerability-in-fw-wgs-804hpt-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"52703\">vulnerability has the potential<\/a> to impact a vast number of users. Furthermore, the severity of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30171-critical-system-file-deletion-vulnerability-in-aspect-systems\/\"  data-wpil-monitor-id=\"53077\">vulnerability lies in its capacity to disrupt system<\/a> integrity, leading to potential system compromise or data leakage if exploited.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-47181<br \/>\nSeverity: High (8.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0562-use-after-free-flaw-in-linux-kernel-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"53701\">Potential system<\/a> compromise and\/or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2223820860\" 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>Microsoft Edge (Chromium-based) | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48865-manipulation-of-x-forwarded-headers-in-fabio-prior-to-version-1-6-6\/\"  data-wpil-monitor-id=\"58306\">versions prior<\/a> to the latest patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This vulnerability is rooted in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26892-critical-file-upload-vulnerability-in-celestial-aura\/\"  data-wpil-monitor-id=\"52702\">improper resolution of links<\/a> before file access within the Microsoft Edge browser. An attacker, who has been granted access, can exploit this weakness to manipulate <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1079-client-remote-code-execution-via-improper-symbolic-link-resolution-in-google-web-designer\/\"  data-wpil-monitor-id=\"59552\">link resolution<\/a> processes. This can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39405-incorrect-privilege-assignment-vulnerability-leading-to-privilege-escalation-in-wpams\/\"  data-wpil-monitor-id=\"52738\">lead to unauthorized elevation of privileges<\/a> within the local system. This elevation can further <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-48853-root-access-vulnerability-in-aspect-allowing-escalation-of-privileges\/\"  data-wpil-monitor-id=\"52931\">allow the attacker to execute commands or access<\/a> data that they are not entitled to, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1124741690\" 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>While we do not encourage or support malicious activity, below is a conceptual example of how the vulnerability might be exploited. This example is for educational purposes only and is simplified to illustrate the concept.<\/p>\n<pre><code class=\"\" data-line=\"\">let malicious_link = document.createElement(&#039;a&#039;);\nmalicious_link.href = &quot;file:\/\/\/etc\/passwd&quot;;\ndocument.body.appendChild(malicious_link);\nmalicious_link.click();<\/code><\/pre>\n<p>In this pseudo-JavaScript code, an attacker creates a malicious link pointing to a sensitive <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31916-unrestricted-file-upload-vulnerability-in-jp-students-result-management-system-premium\/\"  data-wpil-monitor-id=\"54903\">file on the system<\/a> (in this case, the Unix password file). The attacker then programmatically clicks the link, triggering the improper link resolution <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-46687-critical-use-after-free-vulnerability-in-linux-kernel-btrfs-file-system\/\"  data-wpil-monitor-id=\"52744\">vulnerability to access the file<\/a>.<\/p>\n<p><strong>Prevention and Mitigation<\/strong><\/p>\n<p>Microsoft has released a vendor patch to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-49842-critical-memory-corruption-vulnerability-in-protected-vm-address-space\/\"  data-wpil-monitor-id=\"59553\">address this vulnerability<\/a>. All users are strongly advised to update their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30383-type-confusion-vulnerability-in-microsoft-office-excel-leading-to-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"91861\">Microsoft<\/a> Edge browser to the latest version as soon as possible. Until the patch is applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure. These tools can help detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81263\">attempts to exploit this vulnerability<\/a>, but they are not a substitute for applying the vendor patch.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this blog post, we will be analyzing a recently discovered vulnerability, CVE-2025-47181, that affects Chromium-based Microsoft Edge browser. This vulnerability allows an authorized attacker to elevate privileges locally through improper link resolution before file access, commonly known as &#8216;link following&#8217;. Given the widespread use of Microsoft Edge, this vulnerability has the potential to [&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":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-47062","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/47062","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=47062"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/47062\/revisions"}],"predecessor-version":[{"id":85039,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/47062\/revisions\/85039"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=47062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=47062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=47062"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=47062"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=47062"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=47062"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=47062"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=47062"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=47062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}