{"id":64130,"date":"2025-08-17T22:42:07","date_gmt":"2025-08-17T22:42:07","guid":{"rendered":""},"modified":"2025-10-03T12:33:03","modified_gmt":"2025-10-03T18:33:03","slug":"cve-2025-48806-microsoft-mpeg-2-video-extension-use-after-free-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-48806-microsoft-mpeg-2-video-extension-use-after-free-vulnerability\/","title":{"rendered":"<strong>CVE-2025-48806: Microsoft MPEG-2 Video Extension Use-After-Free Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system has identified a significant flaw in the Microsoft MPEG-2 Video Extension. This vulnerability, known as CVE-2025-48806, poses a serious threat to system integrity and data security by allowing an authorized attacker to execute code locally. Given the ubiquitous usage of Microsoft products across the globe, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8342-authentication-bypass-vulnerability-in-woocommerce-otp-login-with-phone-number-otp-verification-plugin\/\"  data-wpil-monitor-id=\"76690\">vulnerability has the potential to affect a vast number<\/a> of systems, underscoring the urgency for appropriate mitigation measures.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-48806<br \/>\nSeverity: High (CVSS score: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27043-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75488\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1379051094\" 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>Microsoft MPEG-2 Video Extension | 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=\"77936\">versions prior<\/a> to patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This vulnerability stems from a use-after-free condition, a type of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27031-memory-corruption-via-ioctl-commands-processing\/\"  data-wpil-monitor-id=\"71598\">memory corruption<\/a> error that occurs when a program continues to use a pointer after it has been freed. In the case of CVE-2025-48806, the Microsoft MPEG-2 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27042-a-critical-memory-corruption-vulnerability-in-video-processing\/\"  data-wpil-monitor-id=\"74083\">Video Extension doesn&#8217;t correctly handle memory<\/a> objects, allowing an attacker to manipulate the application&#8217;s memory and execute arbitrary code.<br \/>\nThe exploitation process typically involves the attacker triggering a condition in which the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42976-memory-corruption-and-information-disclosure-in-sap-netweaver-application-server-abap\/\"  data-wpil-monitor-id=\"74389\">application frees a memory<\/a> object but does not nullify the pointer to it. The attacker then reallocates this memory, placing their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8714-critical-postgresql-vulnerability-allowing-malicious-code-injection-by-superusers\/\"  data-wpil-monitor-id=\"80759\">malicious code<\/a> inside. When the application references the stale pointer, it ends up <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74709\">executing the attacker&#8217;s code<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2113323917\" 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>Although the specific details of this exploit are proprietary, the following pseudocode provides a rough idea of how this vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">\/\/ Allocate memory for object\nobject* obj = malloc(sizeof(object));\n\/\/ Use the object\nuse(obj);\n\/\/ Free the object\nfree(obj);\n\/\/ Malicious attacker reallocates the memory\nobject* malicious_obj = malloc(sizeof(object));\nmalicious_obj-&gt;code = malicious_code;\n\/\/ Application uses the stale pointer, executing the malicious code\nuse(obj);<\/code><\/pre>\n<p>In this example, `use(obj);` represents a point in the application&#8217;s <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32451-memory-corruption-vulnerability-in-foxit-reader-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"74454\">code where the freed memory<\/a> is erroneously accessed. The `malicious_obj->code = malicious_code;` line indicates where the attacker inserts their malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5037-memory-corruption-vulnerability-in-autodesk-revit-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"88125\">code into the reallocated memory<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users and administrators are advised to apply the vendor-released patch as soon as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86522\">possible to mitigate this vulnerability<\/a>. If immediate patching is not feasible, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary protection by monitoring and potentially blocking malicious activity. However, these measures do not rectify the underlying <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52376-authentication-bypass-vulnerability-in-nexxt-solutions-ncm-x1800-mesh-router\/\"  data-wpil-monitor-id=\"75487\">vulnerability and should only be considered as stopgap solutions<\/a> until the patch can be applied.<br \/>\nRegularly updating and patching software is a best practice in <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88499\">cybersecurity<\/a>, and this case serves as a reminder of the importance of such measures. Users are also encouraged to follow the principle of least privilege, limiting the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"79992\">potential attack surface and reducing the risk of exploitation<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system has identified a significant flaw in the Microsoft MPEG-2 Video Extension. This vulnerability, known as CVE-2025-48806, poses a serious threat to system integrity and data security by allowing an authorized attacker to execute code locally. Given the ubiquitous usage of Microsoft products across the globe, this vulnerability [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-64130","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64130","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=64130"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64130\/revisions"}],"predecessor-version":[{"id":81305,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/64130\/revisions\/81305"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=64130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=64130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=64130"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=64130"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=64130"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=64130"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=64130"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=64130"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=64130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}