{"id":58521,"date":"2025-07-08T22:06:29","date_gmt":"2025-07-08T22:06:29","guid":{"rendered":""},"modified":"2025-10-04T00:32:11","modified_gmt":"2025-10-04T06:32:11","slug":"cve-2025-30400-potential-system-compromise-with-privilege-elevation-in-windows-dwm","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-30400-potential-system-compromise-with-privilege-elevation-in-windows-dwm\/","title":{"rendered":"<strong>CVE-2025-30400: Potential System Compromise with Privilege Elevation in Windows DWM<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-30400 is a significant vulnerability that affects the Desktop Window Manager (DWM) component in Windows operating systems. This vulnerability stems from a use-after-free (UAF) flaw which, if successfully exploited, allows an authenticated attacker to elevate their access privileges locally. The potential consequences of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32281-high-severity-missing-authorization-vulnerability-in-focuxtheme-wpkit-for-elementor\/\"  data-wpil-monitor-id=\"65312\">vulnerability are severe<\/a>, with possible system compromise or data leakage. It is crucial that all users and administrators are aware of this vulnerability, its impact, and how to effectively mitigate it to protect their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27050-memory-corruption-vulnerability-leading-to-potential-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"74756\">systems and data<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-30400<br \/>\nSeverity: High &#8211; CVSS 7.8<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52717-sql-injection-vulnerability-in-lifterlms-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"65375\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2535506905\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\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  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\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  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>Windows 10 | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55010-arbitrary-php-object-instantiation-in-kanboard-prior-to-version-1-2-47\/\"  data-wpil-monitor-id=\"77976\">versions prior<\/a> to 2025 Patch<br \/>\n<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8088-path-traversal-vulnerability-in-windows-version-of-winrar\/\"  data-wpil-monitor-id=\"78675\">Windows Server 2022 | All versions<\/a> prior to 2025 Patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-30400 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22035-linux-kernel-uaf-vulnerability-in-print-graph-function-flags\/\"  data-wpil-monitor-id=\"65161\">vulnerability exists due to a UAF<\/a> error within Windows&#8217; DWM. An attacker who has already gained low-level access to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31278-memory-corruption-vulnerability-with-potential-system-compromise\/\"  data-wpil-monitor-id=\"70370\">system can exploit this flaw by using the freed memory<\/a> after it has been released. This allows them to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53002-remote-code-execution-vulnerability-in-llama-factory\/\"  data-wpil-monitor-id=\"65208\">execute arbitrary code<\/a> with elevated privileges, potentially leading to a total system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1155982044\" 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 of how this vulnerability might be exploited. Please note that this is a simplified example and real attacks may vary.<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;windows.h&gt;\nint main() {\n\/\/ Obtain handle to DWM\nHANDLE hDwm = GetDwmHandle();\n\/\/ Use freed memory after it has been released\nUseAfterFree(hDwm);\n\/\/ Elevate privileges\nElevatePrivileges();\n\/\/ Execute arbitrary code\nExecuteArbitraryCode();\nreturn 0;\n}<\/code><\/pre>\n<p><strong>Mitigation and Patching<\/strong><\/p>\n<p>Users and administrators are strongly encouraged to apply the latest patches provided by the vendor as soon as possible. If patching is not immediately feasible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation measures. Regular <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25180-underprivileged-software-manipulates-gpu-system-calls-for-unauthorized-access\/\"  data-wpil-monitor-id=\"88731\">system and software<\/a> updates, alongside robust cyber hygiene practices, can help protect against such vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-30400 is a significant vulnerability that affects the Desktop Window Manager (DWM) component in Windows operating systems. This vulnerability stems from a use-after-free (UAF) flaw which, if successfully exploited, allows an authenticated attacker to elevate their access privileges locally. The potential consequences of this vulnerability are severe, with possible 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":[82],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-58521","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\/58521","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=58521"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58521\/revisions"}],"predecessor-version":[{"id":81542,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58521\/revisions\/81542"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=58521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=58521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=58521"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=58521"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=58521"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=58521"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=58521"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=58521"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=58521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}