{"id":343408,"date":"2025-07-28T03:15:00","date_gmt":"2025-07-28T10:15:00","guid":{"rendered":"https:\/\/cms-articles.softonic.io\/es\/?p=391349"},"modified":"2025-07-28T03:50:10","modified_gmt":"2025-07-28T10:50:10","slug":"microsoft-servers-are-at-risk-due-to-a-serious-vulnerability","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/en\/microsoft-servers-are-at-risk-due-to-a-serious-vulnerability\/","title":{"rendered":"Microsoft servers are at risk due to a serious vulnerability"},"content":{"rendered":"\n<p>The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning about two critical vulnerabilities in Microsoft SharePoint, designated as CVE-2025-49704 and CVE-2025-49706. <strong>Both vulnerabilities are being actively exploited worldwide, posing a significant risk to organizations operating on-premises SharePoint servers<\/strong>.<\/p>\n\n\n<h2 class=\"wp-block-heading\">A vulnerability that can be critical<\/h2>\n\n\n<p>The first vulnerability, CVE-2025-49704, is a serious code injection flaw that allows authorized attackers to execute arbitrary code through a network connection, which could result in full control over the compromised server.<strong> This vulnerability is classified as CWE-94, referring to Improper Control of Code Generation, and may result in the exposure of sensitive data and a potential information exfiltration<\/strong>.<\/p>\n\n\n<p>On the other hand, CVE-2025-49706 is a vulnerability of incorrect authentication that facilitates spoofing attacks, allowing attackers to bypass authentication controls and gain unauthorized access to critical information. <strong>This flaw is classified under CWE-287, and its successful exploitation allows attackers to modify data and compromise the integrity of SharePoint environments.<\/strong><\/p>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"SharePoint en 1 minuto\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/HHsqRgPf-Bo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<p>When both vulnerabilities are combined, they create a powerful attack vector. <strong>Attackers often use CVE-2025-49706 to bypass authentication and then exploit CVE-2025-49704 to inject malicious code<\/strong>. CISA has added both vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog with a remediation deadline of 24 hours, highlighting the urgency and severity of the situation.<\/p>\n\n\n<p>Likewise, CISA has recommended that organizations take immediate action, especially those using versions of SharePoint that are no longer supported. <strong>For supported versions, it is urged to apply the latest security patches and to follow the mitigation guidelines recommended by Microsoft<\/strong>.<\/p>\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" alt=\"Microsoft Edge\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/449d6486-96d2-11e6-b4e2-00163ec9f5fa\/2182742371\/microsoft-edge-Icon.jpg\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Microsoft Edge<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/microsoft-edge.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\">DOWNLOAD<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        <svg class=\"rating-score__content\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" x=\"0\" y=\"0\" viewbox=\"0 0 50 50\" enable-background=\"new 0 0 50 50\" xml:space=\"preserve\"><path class=\"rating-score__background rating-score--good\" fill=\"none\" stroke-width=\"6\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><path class=\"rating-score__value rating-score__value--0\" fill=\"none\" stroke-width=\"6\" stroke-dashoffset=\"0\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><text class=\"rating-score__number\" content=\"\" text-anchor=\"middle\" transform=\"matrix(1 0 0 1 25 31.0837)\" data-auto=\"app-user-score\"><\/text><\/svg>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\" onerror=\"this.style.display='none'\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/microsoft-edge.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning about two critical vulnerabilities in Microsoft SharePoint, designated as CVE-2025-49704 and CVE-2025-49706. Both vulnerabilities are being actively exploited worldwide, posing a significant risk to organizations operating on-premises SharePoint servers. A vulnerability that could be critical The first vulnerability, CVE-2025-49704, is a serious code injection flaw that allows authorized attackers to execute arbitrary code over a network connection, which could result in full control over the compromised server. This vulnerability is classified as CWE-94, referring to [&#8230;]<\/p>\n","protected":false},"author":9318,"featured_media":343409,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":0},"categories":[1015,11143],"tags":[5605,14301,14302,14303,1072,14304,3808],"usertag":[],"vertical":[],"content-category":[7176],"class_list":["post-343408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-softwaresecurity","tag-ciberseguridad","tag-cve-2025-4970","tag-cve-2025-49704","tag-kev","tag-microsoft","tag-microsoft-sharepoint","tag-seguridad","content-category-seguridad-privacidad"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts\/343408","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/users\/9318"}],"replies":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/comments?post=343408"}],"version-history":[{"count":2,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts\/343408\/revisions"}],"predecessor-version":[{"id":343419,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/posts\/343408\/revisions\/343419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/media\/343409"}],"wp:attachment":[{"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/media?parent=343408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/categories?post=343408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/tags?post=343408"},{"taxonomy":"usertag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/usertag?post=343408"},{"taxonomy":"vertical","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/vertical?post=343408"},{"taxonomy":"content-category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/en\/wp-json\/wp\/v2\/content-category?post=343408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}