{"id":18329,"date":"2026-08-12T05:32:49","date_gmt":"2026-08-12T05:32:49","guid":{"rendered":"https:\/\/windowsreport.com\/es\/microsoft-corrige-alrededor-de-400-vulnerabilidades-en-el-patch-tuesday-de-agosto-de-2026\/"},"modified":"2026-08-12T05:32:49","modified_gmt":"2026-08-12T05:32:49","slug":"microsoft-corrige-alrededor-de-400-vulnerabilidades-en-el-patch-tuesday-de-agosto-de-2026","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/es\/microsoft-corrige-alrededor-de-400-vulnerabilidades-en-el-patch-tuesday-de-agosto-de-2026\/","title":{"rendered":"Microsoft corrige alrededor de 400 vulnerabilidades en el Patch Tuesday de agosto de 2026"},"content":{"rendered":"\n<p>El <em>Patch Tuesday<\/em> de agosto de 2026 de Microsoft corrige alrededor de 400 vulnerabilidades de seguridad, incluyendo 42 fallos cr\u00edticos y tres <em>zero-days<\/em> que afectan a Windows.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-microsoft-fixes-around-400-vulnerabilities\">Microsoft corrige alrededor de 400 vulnerabilidades<\/h2>\n\n\n\n<p>De las aproximadamente 400 vulnerabilidades corregidas este mes, 42 tienen una calificaci\u00f3n de gravedad cr\u00edtica.<\/p>\n\n\n\n<p>Microsoft clasific\u00f3 37 de esos fallos cr\u00edticos como vulnerabilidades de ejecuci\u00f3n remota de c\u00f3digo, mientras que cinco implican elevaci\u00f3n de privilegios.<\/p>\n\n\n\n<p>La compa\u00f1\u00eda tambi\u00e9n parche\u00f3 tres vulnerabilidades de d\u00eda cero. Los atacantes ya hab\u00edan explotado una de ellas activamente.<\/p>\n\n\n\n<p>Microsoft advirti\u00f3 anteriormente que su creciente uso de herramientas de seguridad basadas en IA podr\u00eda resultar en que se descubran y corrijan m\u00e1s vulnerabilidades de seguridad de Windows.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-august-patch-tuesday-vulnerability-breakdown\">Desglose de vulnerabilidades del <em>Patch Tuesday<\/em> de agosto<\/h3>\n\n\n\n<p>Microsoft abord\u00f3 vulnerabilidades en varias categor\u00edas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>176 vulnerabilidades de elevaci\u00f3n de privilegios<\/li>\n\n\n\n<li>110 vulnerabilidades de ejecuci\u00f3n remota de c\u00f3digo<\/li>\n\n\n\n<li>86 vulnerabilidades de divulgaci\u00f3n de informaci\u00f3n<\/li>\n\n\n\n<li>21 vulnerabilidades de suplantaci\u00f3n de identidad<\/li>\n\n\n\n<li>12 vulnerabilidades de denegaci\u00f3n de servicio<\/li>\n\n\n\n<li>11 vulnerabilidades de omisi\u00f3n de funciones de seguridad<\/li>\n<\/ul>\n\n\n\n<p>Estas cifras cubren las vulnerabilidades que Microsoft corrigi\u00f3 como parte del <em>Patch Tuesday<\/em> de agosto de 2026. No incluyen algunos fallos de seguridad parcheados a principios de mes en otros productos de Microsoft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-actively-exploited-windows-zero-day-patched\">Corregido un <em>zero-day<\/em> de Windows explotado activamente<\/h3>\n\n\n\n<p>Una de las correcciones m\u00e1s importantes aborda CVE-2026-68820, una vulnerabilidad en el controlador de funci\u00f3n auxiliar de Windows para WinSock.<\/p>\n\n\n\n<p>El fallo de uso despu\u00e9s de liberaci\u00f3n permite a un atacante autenticado localmente elevar privilegios a SYSTEM.<\/p>\n\n\n\n<p>Un atacante debe ejecutar una aplicaci\u00f3n especialmente dise\u00f1ada que desencadene una condici\u00f3n de carrera, aunque el ataque no requiere interacci\u00f3n del usuario.<\/p>\n\n\n\n<p>Microsoft no ha compartido detalles adicionales sobre c\u00f3mo los atacantes explotaron CVE-2026-68820 en ataques reales.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-windows-user-profile-service-zero-day-fixed\">Corregido un <em>zero-day<\/em> del Servicio de perfiles de usuario de Windows<\/h3>\n\n\n\n<p>Microsoft tambi\u00e9n parche\u00f3 CVE-2026-62832, una vulnerabilidad de elevaci\u00f3n de privilegios divulgada p\u00fablicamente en el Servicio de perfiles de usuario de Windows.<\/p>\n\n\n\n<p>La vulnerabilidad parece coincidir con el <em>zero-day<\/em> LegacyHive de Windows revelado anteriormente.<\/p>\n\n\n\n<p>Un atacante autenticado que tenga credenciales para otra cuenta local podr\u00eda cargar la colmena del registro de ese usuario.<\/p>\n\n\n\n<p>Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante acceder o modificar los datos de otro usuario y potencialmente obtener privilegios de administrador.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-windows-container-isolation-flaw-also-patched\">Tambi\u00e9n se parchea un fallo de aislamiento de contenedores de Windows<\/h3>\n\n\n\n<p>El tercer <em>zero-day<\/em>, CVE-2026-72971, afecta al controlador de filtro de aislamiento del sistema de archivos de contenedores de Windows, unionfs.sys.<\/p>\n\n\n\n<p>Microsoft describe el problema como una vulnerabilidad de manipulaci\u00f3n indebida divulgada p\u00fablicamente causada por una resoluci\u00f3n de enlaces inadecuada.<\/p>\n\n\n\n<p>Un atacante autenticado localmente puede explotar la vulnerabilidad.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-new-windows-11-and-windows-10-updates-are-available\">Ya est\u00e1n disponibles nuevas actualizaciones para Windows 11 y Windows 10<\/h3>\n\n\n\n<p>Microsoft public\u00f3 nuevas actualizaciones acumulativas de Windows junto con las correcciones de seguridad.<\/p>\n\n\n\n<p>Los usuarios de Windows 11 recibieron las <a href=\"https:\/\/windowsreport.com\/es\/se-publican-las-actualizaciones-kb5121003-kb5121000-y-kb5120240-de-windows-11-del-patch-tuesday-de-agosto-de-2026\/\" target=\"_blank\" rel=\"noopener noreferrer\">actualizaciones acumulativas KB5121003 y KB5120240 de agosto de 2026<\/a>.<\/p>\n\n\n\n<p>Los usuarios de Windows 10 cubiertos por las Actualizaciones de seguridad extendidas recibieron la actualizaci\u00f3n KB5120249 de agosto de 2026.<\/p>\n\n\n\n<p>V\u00eda <a href=\"https:\/\/www.bleepingcomputer.com\/news\/microsoft\/microsoft-august-2026-patch-tuesday-fixes-400-flaws-3-zero-days\/\" target=\"_blank\" rel=\"noopener noreferrer\">BleepingComputer<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El Patch Tuesday de agosto de 2026 de Microsoft corrige alrededor de 400 vulnerabilidades de seguridad, incluyendo 42 fallos cr\u00edticos y tres zero-days que afectan a Windows. Microsoft corrige alrededor de 400 vulnerabilidades De las aproximadamente 400 vulnerabilidades corregidas este mes, 42 tienen una calificaci\u00f3n de gravedad cr\u00edtica. Microsoft clasific\u00f3 37 de esos fallos cr\u00edticos [&hellip;]<\/p>\n","protected":false},"author":49,"featured_media":18330,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[44],"tags":[],"work":[],"class_list":["post-18329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-resolucion-de-problemas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Microsoft corrige alrededor de 400 vulnerabilidades en el Patch Tuesday de agosto de 2026 - WindowsReport ES (Spanish)<\/title>\n<meta name=\"description\" content=\"El Patch Tuesday de agosto de 2026 de Microsoft corrige alrededor de 400 vulnerabilidades, incluyendo 42 fallos cr\u00edticos y tres zero-days de Windows\" \/>\n<meta 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