{"id":62417,"date":"2025-08-08T16:27:55","date_gmt":"2025-08-08T16:27:55","guid":{"rendered":""},"modified":"2025-08-31T11:54:27","modified_gmt":"2025-08-31T17:54:27","slug":"cve-2025-47176-code-execution-vulnerability-in-microsoft-office-outlook","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-47176-code-execution-vulnerability-in-microsoft-office-outlook\/","title":{"rendered":"<strong>CVE-2025-47176: Code Execution Vulnerability in Microsoft Office Outlook<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-47176 is a severe vulnerability that impacts Microsoft Office Outlook. It is a particularly troubling vulnerability as it allows an authorized attacker to execute arbitrary code locally on the victim&#8217;s machine. Considering the wide usage of Microsoft Office Outlook across various industries and organizations, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-25178-critical-luajit-vulnerability-puts-systems-at-risk-of-compromise\/\"  data-wpil-monitor-id=\"71419\">vulnerability poses a significant risk<\/a>. The successful exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43233-critical-https-proxy-vulnerability-allowing-sensitive-data-access\/\"  data-wpil-monitor-id=\"69367\">vulnerability can lead to potential system compromise or data<\/a> leakage, which could have devastating repercussions, particularly for sensitive and confidential data.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-47176<br \/>\nSeverity: High (7.8 CVSS score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: High<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31278-memory-corruption-vulnerability-with-potential-system-compromise\/\"  data-wpil-monitor-id=\"70382\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1810525541\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47168-use-after-free-vulnerability-in-microsoft-office-word-allowing-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"73064\">Microsoft Office<\/a> Outlook | [All versions prior to the vendor patch]<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8038-high-severity-navigation-validation-vulnerability-in-firefox-and-thunderbird\/\"  data-wpil-monitor-id=\"69833\">vulnerability exists due to an input validation<\/a> error in the Outlook&#8217;s parsing of the &#8216;&#8230;\/&#8230;\/\/&#8217; string. An attacker who has sufficient <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-52561-privilege-escalation-vulnerability-in-parallels-desktop-for-mac\/\"  data-wpil-monitor-id=\"69305\">privileges can exploit this vulnerability<\/a> by embedding malicious code within this string. When the Outlook software parses this string, the malicious code is executed, giving the attacker the ability to run <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54416-arbitrary-command-execution-vulnerability-in-tj-actions-branch-names-github-action\/\"  data-wpil-monitor-id=\"69565\">arbitrary commands<\/a> on the victim&#8217;s machine. This could potentially lead to full system compromise or unauthorized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50060-critical-data-access-vulnerability-in-oracle-bi-publisher\/\"  data-wpil-monitor-id=\"70151\">data access<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1361218202\" 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>Here is a conceptual example of how the vulnerability might be exploited. The attacker sends an email with a specially crafted string:<\/p>\n<pre><code class=\"\" data-line=\"\">Subject: Important Document\nFrom: attacker@example.com\nTo: victim@example.com\nContent-Type: text\/plain\nCheck this: ...\/...\/\/&lt;malicious_code&gt;<\/code><\/pre>\n<p>When the victim opens this email in Microsoft Office Outlook, the malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50460-remote-code-execution-vulnerability-in-ms-swift-project\/\"  data-wpil-monitor-id=\"71418\">code is executed<\/a>, potentially compromising the system or leading to data leakage.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>Users are advised to apply the vendor patch immediately to mitigate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54689-high-risk-php-remote-file-inclusion-vulnerability-in-urna\/\"  data-wpil-monitor-id=\"76654\">risks associated with this vulnerability<\/a>. In the interim, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as temporary mitigation measures. It is also recommended to restrict the privileges of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50738-memos-application-vulnerability-allows-for-unauthorized-user-information-disclosure\/\"  data-wpil-monitor-id=\"69658\">users and applications<\/a> where possible, as the exploit requires high privileges to successfully execute.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-47176 is a severe vulnerability that impacts Microsoft Office Outlook. It is a particularly troubling vulnerability as it allows an authorized attacker to execute arbitrary code locally on the victim&#8217;s machine. Considering the wide usage of Microsoft Office Outlook across various industries and organizations, this vulnerability poses a significant risk. The successful exploitation of [&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-62417","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\/62417","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=62417"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/62417\/revisions"}],"predecessor-version":[{"id":69086,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/62417\/revisions\/69086"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=62417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=62417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=62417"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=62417"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=62417"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=62417"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=62417"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=62417"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=62417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}