{"id":18317,"date":"2026-08-11T17:52:06","date_gmt":"2026-08-11T17:52:06","guid":{"rendered":"https:\/\/windowsreport.com\/es\/se-publican-las-actualizaciones-kb5121003-kb5121000-y-kb5120240-de-windows-11-del-patch-tuesday-de-agosto-de-2026\/"},"modified":"2026-08-11T17:52:06","modified_gmt":"2026-08-11T17:52:06","slug":"se-publican-las-actualizaciones-kb5121003-kb5121000-y-kb5120240-de-windows-11-del-patch-tuesday-de-agosto-de-2026","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/es\/se-publican-las-actualizaciones-kb5121003-kb5121000-y-kb5120240-de-windows-11-del-patch-tuesday-de-agosto-de-2026\/","title":{"rendered":"Se publican las actualizaciones KB5121003, KB5121000 y KB5120240 de Windows 11 del Patch Tuesday de agosto de 2026"},"content":{"rendered":"\n<p>Es el segundo martes del mes, lo que significa que ha llegado el martes de parches para los usuarios de Windows 11. Microsoft ha publicado hoy sus actualizaciones del martes de parches de agosto de 2026 para varias versiones compatibles de Windows 11. Las \u00faltimas actualizaciones de seguridad cubren Windows 11 23H2, 24H2, 25H2 y 26H1. Microsoft tambi\u00e9n ha incluido importantes mejoras de seguridad y trabajo adicional en torno a los certificados de arranque seguro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-windows-11-24h2-and-25h2-get-kb5121003\">Windows 11 24H2 y 25H2 reciben KB5121003<\/h2>\n\n\n\n<p>Para Windows 11 24H2 y 25H2, <a href=\"https:\/\/support.microsoft.com\/en-us\/servicing\/os\/windows-11\/2026\/08\/kb5121003-windows-11-24h2-25h2-security-update\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft ha lanzado KB5121003<\/a>. La actualizaci\u00f3n coloca ambas versiones en la compilaci\u00f3n del sistema operativo 26100.9168 y 26200.9168, respectivamente. Microsoft afirma que el paquete incluye mejoras de seguridad junto con cambios adicionales en el arranque seguro. La compa\u00f1\u00eda est\u00e1 ampliando los datos de segmentaci\u00f3n de dispositivos para los equipos elegibles que pueden recibir autom\u00e1ticamente nuevos certificados de arranque seguro. El despliegue de certificados continuar\u00e1 a trav\u00e9s de Windows Update en los equipos de consumo compatibles y en los dispositivos empresariales no administrados que cumplan los requisitos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-windows-11-26h1-gets-kb5121000\">Windows 11 26H1 recibe KB5121000<\/h2>\n\n\n\n<p>Pasando a los usuarios de <a href=\"https:\/\/support.microsoft.com\/en-us\/servicing\/os\/windows-11\/2026\/08\/kb5121000-windows-11-26h1-security-update\" target=\"_blank\" rel=\"noreferrer noopener\">Windows 11 26H1, reciben KB5121000<\/a> como actualizaci\u00f3n del martes de parches de agosto de 2026, llevando el sistema operativo a la compilaci\u00f3n 28000.2704. Microsoft dice que esta actualizaci\u00f3n <a href=\"https:\/\/msrc.microsoft.com\/update-guide\/releaseNote\/2026-Aug\" target=\"_blank\" rel=\"noreferrer noopener\">aborda 421 CVE de Microsoft<\/a>. Tambi\u00e9n mejora los informes de mantenimiento del TPM al garantizar que el estado del certificado EK se notifique con precisi\u00f3n.<\/p>\n\n\n\n<p>La actualizaci\u00f3n tambi\u00e9n ampl\u00eda la cobertura de segmentaci\u00f3n de certificados de arranque seguro. Microsoft indica que el despliegue de certificados continuar\u00e1 en los dispositivos compatibles durante los pr\u00f3ximos meses.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-windows-11-23h2-gets-several-quality-improvements\">Windows 11 23H2 recibe varias mejoras de calidad<\/h2>\n\n\n\n<p><a href=\"https:\/\/support.microsoft.com\/en-us\/servicing\/os\/windows-11\/2026\/08\/kb5120240-windows-11-23h2-security-update\" target=\"_blank\" rel=\"noreferrer noopener\">Windows 11 23H2 recibe KB5120240<\/a>, que lleva el sistema operativo a la compilaci\u00f3n 22631.7517. Este paquete incluye varias mejoras de calidad m\u00e1s all\u00e1 de los cambios de seguridad. Microsoft ha actualizado el perfil COSA para SolNet-Mobile para admitir configuraciones de operador m\u00e1s recientes. La actualizaci\u00f3n tambi\u00e9n mejora la fiabilidad de los dispositivos administrados mediante MDM cuando caduca un certificado MDM.<\/p>\n\n\n\n<p>El Historial de archivos tambi\u00e9n recibe atenci\u00f3n. Microsoft afirma que las copias de seguridad en recursos compartidos de red SMB deber\u00edan ser ahora m\u00e1s fiables durante las operaciones programadas. El panel de emojis tambi\u00e9n recibe un cambio notable. Windows 11 23H2 ahora admite GIPHY despu\u00e9s de que la API de Tenor de Google quedara obsoleta.<\/p>\n\n\n\n<p>Microsoft tambi\u00e9n contin\u00faa con el despliegue de certificados de arranque seguro en los dispositivos Windows compatibles. Los usuarios que ya instalaron actualizaciones anteriores solo recibir\u00e1n los nuevos componentes incluidos en estos paquetes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Es el segundo martes del mes, lo que significa que ha llegado el martes de parches para los usuarios de Windows 11. Microsoft ha publicado hoy sus actualizaciones del martes de parches de agosto de 2026 para varias versiones compatibles de Windows 11. Las \u00faltimas actualizaciones de seguridad cubren Windows 11 23H2, 24H2, 25H2 y [&hellip;]<\/p>\n","protected":false},"author":2314,"featured_media":18318,"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-18317","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>Se publican las actualizaciones KB5121003, KB5121000 y KB5120240 de Windows 11 del Patch Tuesday de agosto de 2026 - WindowsReport ES (Spanish)<\/title>\n<meta name=\"description\" content=\"Windows 11 Patch Tuesday de agosto de 2026 trae KB5121003, KB5121000 y KB5120240 con mejoras de seguridad, Arranque seguro 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