{"id":80248,"date":"2025-10-02T04:34:43","date_gmt":"2025-10-02T04:34:43","guid":{"rendered":""},"modified":"2025-10-07T04:32:28","modified_gmt":"2025-10-07T10:32:28","slug":"cve-2025-53151-high-severity-use-after-free-vulnerability-in-windows-kernel","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53151-high-severity-use-after-free-vulnerability-in-windows-kernel\/","title":{"rendered":"<strong>CVE-2025-53151: High Severity Use-After-Free Vulnerability in Windows Kernel<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system has recently identified a high severity vulnerability, CVE-2025-53151, in the Windows Kernel. This vulnerability, a use-after-free issue, provides an avenue for an authorized attacker to potentially elevate their privileges within the system, leading to a variety of potential attacks including system compromise and data leakage. Given the widespread usage of Windows in both personal computing and corporate environments, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36901-critical-wlan-vulnerability-in-android-affecting-google-pixel-devices\/\"  data-wpil-monitor-id=\"87426\">vulnerability has the potential to affect<\/a> a vast number of systems globally, emphasizing the critical need for immediate attention and mitigation.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-53151<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-10034-d-link-dir-825-buffer-overflow-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"87478\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4180204715\" 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 OS | All versions prior to the vendor patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploitation of CVE-2025-53151 involves the misuse of a freed memory space within the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54110-windows-kernel-integer-overflow-vulnerability-leading-to-privilege-elevation\/\"  data-wpil-monitor-id=\"89193\">Windows Kernel<\/a>. In a typical <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36854-critical-use-after-free-vulnerability-in-asp-net-leads-to-remote-code-execution\/\"  data-wpil-monitor-id=\"87773\">use-after-free vulnerability<\/a>, the memory is erroneously freed while references to it still exist. An attacker with low-level privileges can then manipulate this memory space, potentially leading to an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36891-high-risk-elevation-of-privilege-vulnerability\/\"  data-wpil-monitor-id=\"87419\">elevation of their access privileges<\/a>. This type of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47128-integer-underflow-vulnerability-in-adobe-framemaker-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"87449\">vulnerability often leads<\/a> to the corruption of valid data, crashes, and code execution, including the potential for system compromise and data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3410506380\" 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 actual exploit code would be inappropriate to share, a conceptual example of this type of exploit might look like this:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;windows.h&gt;\nvoid exploit() {\nHANDLE hDevice;\nDWORD lpBytesReturned;\nchar devicename[] = &quot;\\\\\\\\.\\\\VulnerableDevice&quot;;\nchar inputBuffer[2000];\nmemset(inputBuffer, 0x41, sizeof(inputBuffer));\nhDevice = CreateFileA(devicename, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);\nif (hDevice == INVALID_HANDLE_VALUE) {\nprintf(&quot;Unable to open %s\\n&quot;, devicename);\nreturn;\n}\nDeviceIoControl(hDevice, 0x222003, inputBuffer, sizeof(inputBuffer), NULL, 0, &amp;lpBytesReturned, NULL);\nCloseHandle(hDevice);\n}<\/code><\/pre>\n<p>In this conceptual example, the exploit attempts to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9938-buffer-overflow-vulnerability-in-d-link-di-8400-16-07-26a1\/\"  data-wpil-monitor-id=\"87448\">overflow the input buffer of a vulnerable<\/a> device driver, potentially leading to the corruption of adjacent memory and the execution of arbitrary code.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate this vulnerability, it is recommended to immediately apply the vendor-provided patch. If a patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by identifying and blocking exploitation attempts. Regular system monitoring and updates should also be maintained to prevent future vulnerabilities.<br \/>\nRemember, a proactive approach to <a href=\"https:\/\/www.ameeba.com\/blog\/ameeba-announces-cybersecurity-internship-program\/\"  data-wpil-monitor-id=\"87720\">cybersecurity<\/a> can save invaluable time and resources in the long run.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system has recently identified a high severity vulnerability, CVE-2025-53151, in the Windows Kernel. This vulnerability, a use-after-free issue, provides an avenue for an authorized attacker to potentially elevate their privileges within the system, leading to a variety of potential attacks including system compromise and data leakage. Given the [&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":[88,82],"product":[95],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-80248","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","vendor-microsoft","product-linux-kernel"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80248","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=80248"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80248\/revisions"}],"predecessor-version":[{"id":82026,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80248\/revisions\/82026"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=80248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=80248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=80248"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=80248"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=80248"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=80248"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=80248"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=80248"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=80248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}