{"id":80530,"date":"2025-10-02T07:35:49","date_gmt":"2025-10-02T07:35:49","guid":{"rendered":""},"modified":"2025-10-10T17:18:46","modified_gmt":"2025-10-10T23:18:46","slug":"cve-2025-53155-heap-based-buffer-overflow-in-windows-hyper-v-leading-to-privilege-escalation","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53155-heap-based-buffer-overflow-in-windows-hyper-v-leading-to-privilege-escalation\/","title":{"rendered":"<strong>CVE-2025-53155: Heap-Based Buffer Overflow in Windows Hyper-V Leading to Privilege Escalation<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this blog post, we will delve into a recently discovered vulnerability that has been given the CVE ID CVE-2025-53155. This vulnerability affects all versions of Windows Hyper-V and could potentially lead to a system compromise or data leakage. It is of critical importance due to its severity score of 7.8 and the possibility of an authorized attacker exploiting this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36896-elevation-of-privilege-vulnerability-in-wlan-on-android-devices\/\"  data-wpil-monitor-id=\"87746\">vulnerability to escalate privileges<\/a> locally, gaining access to data and system operations that they should not have.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-53155<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: The successful exploit of 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=\"87791\">vulnerability can result in system<\/a> compromise or data leakage.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-772897471\" 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 Hyper-V | All Versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This vulnerability exploits a heap-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32318-skia-heap-buffer-overflow-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"87731\">buffer overflow<\/a> in Windows Hyper-V. An attacker who has low-level access to the system can craft a specific input that causes the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-21477-critical-buffer-overflow-vulnerability-in-tigerf-trustlet\/\"  data-wpil-monitor-id=\"87976\">buffer to overflow<\/a>, leading to corruption of adjacent memory. This memory corruption can then be exploited to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8085-critical-unauthenticated-remote-code-execution-vulnerability-in-ditty-wordpress-plugin\/\"  data-wpil-monitor-id=\"87729\">execute arbitrary code<\/a> with elevated privileges. This provides an opportunity for the attacker to take control of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-26383-critical-vulnerability-in-amd-tee-puts-system-integrity-and-data-availability-in-jeopardy\/\"  data-wpil-monitor-id=\"88081\">system or exfiltrate sensitive data<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-807764141\" 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 the precise exploit code is not disclosed for security reasons, a conceptual example might look something like this:<\/p>\n<pre><code class=\"\" data-line=\"\">$ buffer_overflow_exploit -target Hostname -port 1234 -payload &quot;malicious_payload.dat&quot;<\/code><\/pre>\n<p>In this conceptual example, the attacker uses a tool (`<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9527-remote-stack-based-buffer-overflow-vulnerability-in-linksys-e1700-routers\/\"  data-wpil-monitor-id=\"88570\">buffer_overflow<\/a>_exploit`) to target a specific host (`Hostname`) and port (`1234`) with a malicious payload (`malicious_payload.dat`) that triggers the buffer overflow.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to apply the latest patches provided by the vendor, Microsoft, as the primary solution. As a temporary measure, users can also employ web application firewalls (WAF) or intrusion detection systems (IDS) to detect and potentially block exploit attempts. These measures, however, do not fix the underlying <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36890-critical-elevation-of-privilege-vulnerability-may-lead-to-system-compromise\/\"  data-wpil-monitor-id=\"87814\">vulnerability and are not a substitute for patching the system<\/a>. Regular patch <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-57119-privilege-escalation-vulnerability-in-online-library-management-system-v-3-0\/\"  data-wpil-monitor-id=\"89647\">management and system<\/a> updates are crucial in maintaining a strong security posture.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this blog post, we will delve into a recently discovered vulnerability that has been given the CVE ID CVE-2025-53155. This vulnerability affects all versions of Windows Hyper-V and could potentially lead to a system compromise or data leakage. It is of critical importance due to its severity score of 7.8 and the possibility [&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":[86,76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-80530","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft","attack_vector-buffer-overflow","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80530","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=80530"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80530\/revisions"}],"predecessor-version":[{"id":82496,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/80530\/revisions\/82496"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=80530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=80530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=80530"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=80530"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=80530"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=80530"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=80530"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=80530"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=80530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}