{"id":76047,"date":"2025-09-21T15:19:59","date_gmt":"2025-09-21T15:19:59","guid":{"rendered":""},"modified":"2025-10-05T17:38:57","modified_gmt":"2025-10-05T23:38:57","slug":"cve-2025-43188-macos-sequoia-root-privilege-escalation-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-43188-macos-sequoia-root-privilege-escalation-vulnerability\/","title":{"rendered":"<strong>CVE-2025-43188: macOS Sequoia Root Privilege Escalation Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the constantly evolving landscape of cybersecurity, a new vulnerability has emerged that threatens macOS Sequoia users. The vulnerability, designated as CVE-2025-43188, is a permissions issue that, if exploited, could allow a malicious app to gain root privileges on the system. This escalation of privileges could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84237\">potentially lead to system<\/a> compromise or data leakage, posing a significant threat to the security and privacy of affected users. In a digital age where information is the most valuable asset, this vulnerability cannot be overlooked.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-43188<br \/>\nSeverity: High (7.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22404-potential-system-compromise-due-to-use-after-free-vulnerability\/\"  data-wpil-monitor-id=\"85538\">System Compromise<\/a>, Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1924722397\" 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>macOS Sequoia | 15.6 and prior versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability arises from an insufficient permissions check within the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27215-unauthorized-system-modification-vulnerability-in-unifi-display-cast-devices\/\"  data-wpil-monitor-id=\"84907\">macOS Sequoia<\/a> operating system. Specifically, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43300-out-of-bounds-write-issue-in-macos-and-ios-resulting-in-memory-corruption\/\"  data-wpil-monitor-id=\"84407\">issue is tied to the way macOS<\/a> handles app permissions. In a normal scenario, apps are isolated in their own sandboxes and are unable to access certain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9791-critical-vulnerability-in-tenda-ac20-16-03-08-05-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"85041\">critical system<\/a> resources. However, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-58259-denial-of-service-vulnerability-in-rancher-manager-due-to-unrestricted-payload-size\/\"  data-wpil-monitor-id=\"85838\">due to this vulnerability<\/a>, a malicious app could break out of this sandbox and gain elevated privileges.<br \/>\nAn attacker would need to convince the user to install and run a malicious app. Once the app is launched, it can exploit the vulnerability to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27216-privilege-escalation-in-uisp-application-due-to-incorrect-permission-assignment\/\"  data-wpil-monitor-id=\"84366\">escalate its privileges<\/a> to root level. With root privileges, the app can then perform actions that are typically restricted, such as modifying <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58755-high-risk-vulnerability-in-monai-ai-toolkit-allowing-system-file-overwrite\/\"  data-wpil-monitor-id=\"89003\">system files<\/a>, installing software, and accessing sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2915892159\" 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>Conceptually, an exploit might look like this:<\/p>\n<pre><code class=\"\" data-line=\"\">#!\/bin\/bash\n# This is a conceptual demonstration of an exploit, not actual exploit code\necho &quot;Installing malicious app&quot;\n# The malicious app is installed\ninstall_malicious_app\necho &quot;Launching app&quot;\n# The app is launched\nlaunch_app\necho &quot;Exploiting vulnerability to gain root privileges&quot;\n# The app utilizes the vulnerability to escalate its privileges\nexploit_vulnerability\necho &quot;Malicious actions performed with root privileges&quot;\n# The app performs actions that would typically be restricted\nperform_malicious_actions<\/code><\/pre>\n<p>In the real world, the exploit would likely involve more complex code and obfuscation techniques to avoid detection by security software.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The vendor has addressed this issue in macOS Sequoia 15.6, therefore it is strongly recommended to update to the latest version of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-41148-serious-code-injection-vulnerability-in-robot-operating-system-ros\/\"  data-wpil-monitor-id=\"88951\">operating system<\/a>. If updating is not immediately possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. It&#8217;s also important to follow best security practices such as avoiding the installation of apps from unknown sources and regularly backing up important data.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the constantly evolving landscape of cybersecurity, a new vulnerability has emerged that threatens macOS Sequoia users. The vulnerability, designated as CVE-2025-43188, is a permissions issue that, if exploited, could allow a malicious app to gain root privileges on the system. This escalation of privileges could potentially lead to system compromise or data leakage, [&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":[77],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-76047","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apple","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76047","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=76047"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76047\/revisions"}],"predecessor-version":[{"id":81824,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76047\/revisions\/81824"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=76047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=76047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=76047"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=76047"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=76047"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=76047"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=76047"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=76047"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=76047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}