{"id":64107,"date":"2025-08-16T23:35:21","date_gmt":"2025-08-16T23:35:21","guid":{"rendered":""},"modified":"2025-09-07T11:01:37","modified_gmt":"2025-09-07T17:01:37","slug":"cve-2025-47159-windows-virtualization-based-security-enclave-privilege-escalation-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47159-windows-virtualization-based-security-enclave-privilege-escalation-vulnerability\/","title":{"rendered":"<strong>CVE-2025-47159: Windows Virtualization-Based Security Enclave Privilege Escalation Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The world of cybersecurity is a constant battlefield. New vulnerabilities appear and get patched regularly, but one of the recent ones poses a significant threat. CVE-2025-47159, a newly found vulnerability, is a testament to this ongoing struggle. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33075-a-critical-windows-installer-vulnerability-that-leads-to-privilege-elevation\/\"  data-wpil-monitor-id=\"72369\">vulnerability affects the Windows<\/a> Virtualization-Based Security (VBS) Enclave, a core component of the Windows operating system, and its ability to protect system integrity.<br \/>\nThis vulnerability is particularly concerning because it allows an authorized attacker to elevate their privileges locally, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49691-heap-based-buffer-overflow-in-windows-media-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"72153\">potentially leading to system<\/a> compromise or data leakage. For any organization or user leveraging Windows Virtualization-Based Security (VBS) Enclave, understanding and mitigating this vulnerability should be a top priority.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-47159<br \/>\nSeverity: High (7.8 CVSS)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50160-heap-based-buffer-overflow-in-windows-rras-posing-system-compromise-risk\/\"  data-wpil-monitor-id=\"78486\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2695606327\" 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>Windows 10 | 20H2, 21H1<br \/>\nWindows Server | 2019, 2022<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49667-critical-windows-win32k-vulnerability-allowing-privilege-elevation\/\"  data-wpil-monitor-id=\"75500\">vulnerability resides in the protection mechanism of Windows<\/a> Virtualization-Based Security (VBS) Enclave. An <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46386-authorization-bypass-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79890\">authorized attacker can manipulate this flaw to bypass<\/a> the intended security boundaries. By exploiting this vulnerability, an attacker could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53762-privilege-elevation-vulnerability-in-microsoft-purview\/\"  data-wpil-monitor-id=\"72931\">elevate their privileges<\/a> on the affected system, potentially gaining control over the system or leaking sensitive data. It&#8217;s important to note that the attack is local, which means the attacker must have initial <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53499-critical-unauthorized-access-vulnerability-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72863\">access to the system to exploit this vulnerability<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1035871746\" 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>The following is a conceptual example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\"># This is a conceptual example and may not represent actual exploit code\n# Get a handle to the VBS Enclave\n$vbsEnclaveHandle = Get-Handle -Process &quot;VBS Enclave&quot;\n# Craft malicious payload\n$maliciousPayload = New-Payload -ElevatePrivilege\n# Use the handle to inject the malicious payload into the VBS Enclave\nInject-Payload -Handle $vbsEnclaveHandle -Payload $maliciousPayload<\/code><\/pre>\n<p>In this example, the attacker is using a hypothetical PowerShell script to first get a handle to the VBS Enclave process, crafting a malicious payload designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47962-unauthorized-privilege-elevation-in-windows-sdk\/\"  data-wpil-monitor-id=\"74052\">elevate privileges<\/a>, and then injecting this payload into the VBS Enclave using the obtained handle.<br \/>\nPlease note that this is a simplified and conceptual representation of an exploit and may not represent the full complexity involved in a real-world attack scenario. However, it illustrates the potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53546-high-severity-vulnerability-in-folo-s-github-workflow\/\"  data-wpil-monitor-id=\"73453\">severity of this vulnerability<\/a> and it underlines the importance of applying the recommended mitigations promptly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The world of cybersecurity is a constant battlefield. New vulnerabilities appear and get patched regularly, but one of the recent ones poses a significant threat. CVE-2025-47159, a newly found vulnerability, is a testament to this ongoing struggle. This vulnerability affects the Windows Virtualization-Based Security (VBS) Enclave, a core component of the Windows operating system, [&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-64107","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\/64107","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=64107"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64107\/revisions"}],"predecessor-version":[{"id":72326,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64107\/revisions\/72326"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64107"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64107"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64107"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64107"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64107"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64107"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}