<style id="elementor-post-1318">.elementor-1318 .elementor-element.elementor-element-a869d76{margin-top:-20px;margin-bottom:0px;}.elementor-1318 .elementor-element.elementor-element-6e152eb > .elementor-widget-wrap > .elementor-widget:not(.elementor-widget__width-auto):not(.elementor-widget__width-initial):not(:last-child):not(.elementor-absolute){margin-block-end:5px;}.elementor-1318 .elementor-element.elementor-element-6e152eb > .elementor-element-populated{padding:0px 0px 20px 0px;}.elementor-1318 .elementor-element.elementor-element-e8fff6f .elementor-button{background-color:#FFFEE0;fill:#C00000;color:#C00000;padding:0px 0px 0px 0px;}.elementor-1318 .elementor-element.elementor-element-e8fff6f .elementor-button-content-wrapper{flex-direction:row-reverse;}.elementor-1318 .elementor-element.elementor-element-e8fff6f .elementor-button:hover, .elementor-1318 .elementor-element.elementor-element-e8fff6f .elementor-button:focus{color:#000000;}.elementor-1318 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.elementor-button-content-wrapper{flex-direction:row-reverse;}</style>{"id":1318,"date":"2021-07-07T11:31:11","date_gmt":"2021-07-07T09:31:11","guid":{"rendered":"https:\/\/www.infordisa.com\/soc\/?p=1318"},"modified":"2025-08-18T13:18:27","modified_gmt":"2025-08-18T11:18:27","slug":"vulnerabilidad-critica-en-la-cola-de-impresion-de-windows","status":"publish","type":"post","link":"https:\/\/www.infordisa.com\/soc\/vulnerabilidad-critica-en-la-cola-de-impresion-de-windows\/","title":{"rendered":"Vulnerabilidad cr\u00edtica en la cola de impresi\u00f3n de Windows"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1318\" class=\"elementor elementor-1318\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a869d76 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a869d76\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6e152eb\" data-id=\"6e152eb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fa978a7 elementor-widget elementor-widget-shortcode\" data-id=\"fa978a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><span style=\"color: #c02b23;font-weight: bold\">Cr&iacute;tica <\/span><img loading=\"lazy\" decoding=\"async\" width=\"10\" height=\"10\" src=\"https:\/\/www.infordisa.com\/soc\/imgs\/alerta-5.png\" alt=\"Alerta 5\"\/><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8fff6f elementor-widget elementor-widget-button\" data-id=\"e8fff6f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2021-34527\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-external-link-alt\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">CVE-2021-34527<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3fc4605 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3fc4605\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b99ca29 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b99ca29\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9a9e8c1\" data-id=\"9a9e8c1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62bcf38 elementor-alert-info elementor-widget elementor-widget-alert\" data-id=\"62bcf38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">Actualizaci&oacute;n del 8\/7\/2021<\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\"><a href=\"https:\/\/www.infordisa.com\/soc\/microsoft-publica-el-parche-para-la-vulnerabilidad-print-nightmare\/\" rel=\"bookmark\">Microsoft publica el parche para la vulnerabilidad Print Nightmare<\/a><\/span>\n\t\t\t\n\t\t\t\t\t\t<button type=\"button\" class=\"elementor-alert-dismiss\" aria-label=\"Descartar esta alerta.\">\n\t\t\t\t\t\t\t\t\t<span aria-hidden=\"true\">&times;<\/span>\n\t\t\t\t\t\t\t<\/button>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-399e2e3 elementor-widget elementor-widget-text-editor\" data-id=\"399e2e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ayer ya anunci&aacute;bamos en nuestro apartado de noticias la <strong><a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> cr&iacute;tica llamada &laquo;<a href=\"https:\/\/www.infordisa.com\/soc\/print-nightmare-la-vulnerabilidad-critica-por-ahora-sin-parche-que-afecta-a-windows-7-y-posteriores\/\">Print Nightmare<\/a>&laquo;<\/strong> <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/cve\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>CVE<\/a>-2021-34527, pues esta vulnerabilidad detectada el d&iacute;a 1 de julio, acaba de recibir una actualizaci&oacute;n por parte de Windows.<\/p><p>Por casualidad, hace unos d&iacute;as, tambi&eacute;n surgi&oacute; otra <a href=\"https:\/\/www.infordisa.com\/soc\/vulnerabilidad-de-elevacion-de-privilegios-en-la-cola-de-impresion-de-windows\/\">vulnerabilidad en la cola de impresi&oacute;n<\/a> CVE-2021-1675. Esta vulnerabilidad es similar pero distinta, el vector de ataque es diferente.<\/p><p>Seg&uacute;n Microsoft:<\/p><blockquote><p>Existe una <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> de ejecuci&oacute;n remota de c&oacute;digo cuando el servicio de cola de impresi&oacute;n de Windows realiza incorrectamente operaciones con archivos privilegiados. Un atacante que aproveche con &eacute;xito esta vulnerabilidad podr&iacute;a ejecutar c&oacute;digo arbitrario con privilegios de SISTEMA. Entonces, un atacante podr&iacute;a instalar programas; ver, cambiar o eliminar datos; o crear nuevas cuentas con todos los derechos de usuario.<\/p><p><strong>ACTUALIZACI&Oacute;N 6 de julio de 2021:<\/strong> Microsoft ha completado la investigaci&oacute;n y ha publicado actualizaciones de seguridad para abordar esta vulnerabilidad. Consulte la tabla de Actualizaciones de seguridad para conocer la actualizaci&oacute;n correspondiente a su sistema. <strong>Le recomendamos que instale estas actualizaciones inmediatamente<\/strong>. Si no puede instalar estas actualizaciones, consulte las secciones de Preguntas frecuentes y Soluciones del CVE para obtener informaci&oacute;n sobre c&oacute;mo ayudar a proteger su sistema de esta <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a>. Consulte tambi&eacute;n KB5005010: Restricci&oacute;n de la instalaci&oacute;n de nuevos controladores de impresora despu&eacute;s de aplicar las actualizaciones del 6 de julio de 2021.<\/p><p>Tenga en cuenta que las actualizaciones de seguridad publicadas a partir del 6 de julio de 2021 contienen protecciones para <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/cve\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>CVE<\/a>-2021-1675 y el <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/exploit\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>exploit<\/a> de ejecuci&oacute;n remota de c&oacute;digo adicional en el servicio Windows Print Spooler conocido como &laquo;PrintNightmare&raquo;, documentado en CVE-2021-34527.<\/p><\/blockquote>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c46eaff elementor-widget elementor-widget-text-editor\" data-id=\"c46eaff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Soluciones alternativas<\/h3><p><strong>Determine si el servicio de cola de impresi&oacute;n se est&aacute; ejecutando<\/strong><\/p><p>Ejecute lo siguiente:<\/p><pre>Get-Service -Name Spooler<\/pre><p>Si la cola de impresi&oacute;n se est&aacute; ejecutando o si el servicio no est&aacute; configurado como deshabilitado, seleccione una de las siguientes opciones para deshabilitar el servicio de cola de impresi&oacute;n o para deshabilitar la impresi&oacute;n remota entrante a trav&eacute;s de la directiva de grupo:<\/p><p><strong>Opci&oacute;n 1: deshabilitar el servicio de cola de impresi&oacute;n<\/strong><\/p><p>Si deshabilitar el servicio de cola de impresi&oacute;n es apropiado para su empresa, use los siguientes comandos de PowerShell:<\/p><pre>Stop-Service -Name Spooler -Force<\/pre><pre>Set-Service -Name Spooler -StartupType Disabled<\/pre><p><strong>Impacto de la soluci&oacute;n alternativa.<\/strong> La desactivaci&oacute;n del servicio de cola de impresi&oacute;n desactiva la capacidad de imprimir tanto de forma local como remota.<\/p><p><strong>Opci&oacute;n 2: deshabilitar la impresi&oacute;n remota entrante a trav&eacute;s de la directiva de grupo<\/strong><\/p><p>Tambi&eacute;n puede configurar los ajustes a trav&eacute;s de la Pol&iacute;tica de grupo de la siguiente manera:<\/p><p>Configuraci&oacute;n de la computadora \/ Plantillas administrativas \/ Impresoras<\/p><p>Deshabilite la pol&iacute;tica &laquo;Permitir que la cola de impresi&oacute;n acepte conexiones de cliente:&raquo; para bloquear ataques remotos.<\/p><p>Debe reiniciar el servicio de cola de impresi&oacute;n para que la pol&iacute;tica de grupo surja efecto.<\/p><p><strong>Impacto de la soluci&oacute;n alternativa.<\/strong> Esta pol&iacute;tica bloquear&aacute; el vector de ataque remoto al evitar las operaciones de impresi&oacute;n remota entrantes. El sistema ya no funcionar&aacute; como <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/servidor\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>servidor<\/a> de impresi&oacute;n, pero la impresi&oacute;n local en un dispositivo conectado directamente seguir&aacute; siendo posible.<\/p><p>Para obtener m&aacute;s informaci&oacute;n, consulte: <a href=\"https:\/\/docs.microsoft.com\/en-us\/troubleshoot\/windows-server\/printing\/use-group-policy-to-control-ad-printer\" target=\"_blank\" rel=\"noopener\">Usar la configuraci&oacute;n de la directiva de grupo para controlar las impresoras<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-67a43ae elementor-widget elementor-widget-text-editor\" data-id=\"67a43ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"ms-fontWeight-bold css-129\">Preguntas m&aacute;s frecuentes<\/h3><div class=\"ms-Shimmer-container root-95\"><div class=\"ms-Shimmer-dataWrapper dataWrapper-122\"><div class=\"ms-StackItem ms-CardItem css-257\"><div class=\"css-258\"><p><strong>&iquest;Es esta la vulnerabilidad a la que se ha hecho referencia p&uacute;blicamente como PrintNightmare?<\/strong><\/p><p>S&iacute;, Microsoft asign&oacute; CVE-2021-34527 a esta vulnerabilidad.<\/p><p><strong>&iquest;Esta <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> est&aacute; relacionada con <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/cve\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>CVE<\/a>-2021-1675?<\/strong><\/p><p>Esta vulnerabilidad es similar pero distinta de la vulnerabilidad que se le asigna CVE-2021-1675.&nbsp;El vector de ataque tambi&eacute;n es diferente.&nbsp;CVE-2021-1675 fue abordado por la actualizaci&oacute;n de seguridad publicada el 8 de junio de 2021.<\/p><p><strong>&iquest;La actualizaci&oacute;n de junio de 2021 introdujo esta <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a>?<\/strong><\/p><p>No, la vulnerabilidad exist&iacute;a antes de la actualizaci&oacute;n de seguridad del 8 de junio de 2021.<\/p><p><strong>Todas las versiones de Windows se enumeran en la tabla Actualizaciones de seguridad.&nbsp;&iquest;Todas las versiones son vulnerables?<\/strong><\/p><p><strong>Todas las versiones de Windows son vulnerables<\/strong>.&nbsp;Las versiones compatibles de Windows que no tienen actualizaciones de seguridad disponibles el 6 de julio se actualizar&aacute;n poco despu&eacute;s del 6 de julio.<\/p><p><strong>&iquest;Qu&eacute; vulnerabilidades abordan las actualizaciones de seguridad publicadas a partir del 6 de julio de 2021?<\/strong><\/p><p>Las actualizaciones de seguridad publicadas a partir del 6 de julio de 2021 contienen protecciones para un exploit de ejecuci&oacute;n remota de c&oacute;digo en el servicio Windows Print Spooler conocido como &laquo;PrintNightmare&raquo;, documentado en <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/cve\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>CVE<\/a>-2021-34527, as&iacute; como para CVE-2021-1675.<\/p><p><strong>&iquest;Se sabe que los controladores de dominio se ven afectados por la vulnerabilidad?<\/strong><\/p><p>Los controladores de dominio se ven afectados si el servicio de cola de impresi&oacute;n est&aacute; habilitado.<\/p><p><strong>&iquest;Se sabe que los sistemas cliente y los servidores miembro que no son controladores de dominio se ven afectados por la <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a>?<\/strong><\/p><p>Si.&nbsp;Todas las ediciones compatibles de Windows se ven afectadas.<\/p><p><strong>&iquest;C&oacute;mo puedo ver la actividad de ataque en mi red relacionada con esta vulnerabilidad?<\/strong><\/p><p>Los productos de seguridad, como Microsoft 365 Defender, ofrecen diferentes formas de ver las alertas y la telemetr&iacute;a relevantes.&nbsp;Microsoft ha publicado nuestras recomendaciones para ver este tipo de comportamiento en nuestro GitHub aqu&iacute;:&nbsp;<a href=\"https:\/\/aka.ms\/printspooler-rce-ahq\" target=\"_blank\" rel=\"noopener\">Consultas de b&uacute;squeda de Microsoft 365 Defender<\/a>&nbsp;.&nbsp;Los clientes que utilizan otras tecnolog&iacute;as pueden adaptar esta l&oacute;gica para utilizarla en sus entornos.<\/p><p><strong>&iquest;C&oacute;mo se ve afectada la tecnolog&iacute;a Point and Print por esta vulnerabilidad en particular?<\/strong><\/p><p>Point and Print no est&aacute; directamente relacionado con esta <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a>, pero la tecnolog&iacute;a debilita la postura de seguridad local de tal manera que la explotaci&oacute;n ser&aacute; posible.&nbsp;Para reforzar Point and Print, aseg&uacute;rese de que se muestren avisos de advertencia y elevaci&oacute;n para las instalaciones y actualizaciones de la impresora.&nbsp;Estas son las configuraciones predeterminadas, pero verifique o agregue las siguientes modificaciones de registro:<\/p><ul><li>HKEY_LOCAL_MACHINE \\ SOFTWARE \\ Pol&iacute;ticas \\ Microsoft \\ Windows NT \\ Printers \\ PointAndPrint<\/li><li>NoWarningNoElevationOnInstall = 0<\/li><li>NoWarningNoElevationOnUpdate = 0<\/li><\/ul><p>Tambi&eacute;n recomendamos enumerar expl&iacute;citamente los servidores de impresi&oacute;n espec&iacute;ficos que deben utilizar los clientes.<\/p><p>Para m&aacute;s informaci&oacute;n, ver:<\/p><ul><li><a href=\"https:\/\/docs.microsoft.com\/en-us\/windows-hardware\/drivers\/print\/introduction-to-point-and-print\" target=\"_blank\" rel=\"noopener\">Introducci&oacute;n a Point and Print &ndash; Controladores de Windows |&nbsp;Documentos de Microsoft<\/a><\/li><li><a href=\"https:\/\/docs.microsoft.com\/en-us\/troubleshoot\/windows-server\/printing\/use-group-policy-to-control-ad-printer\" target=\"_blank\" rel=\"noopener\">Utilice la configuraci&oacute;n de la directiva de grupo para controlar las impresoras &ndash; Windows Server |&nbsp;Documentos de Microsoft<\/a><\/li><li><a href=\"https:\/\/docs.microsoft.com\/en-us\/windows\/client-management\/mdm\/policy-csp-printers\" target=\"_blank\" rel=\"noopener\">Pol&iacute;tica de CSP &ndash; Impresoras &ndash; Gesti&oacute;n de clientes de Windows |&nbsp;Documentos de Microsoft<\/a><\/li><\/ul><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e13e0fa elementor-widget elementor-widget-button\" data-id=\"e13e0fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34527\" target=\"_blank\" rel=\"nofollow\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-external-link-alt\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Referencia<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Actualizaci&oacute;n del 8\/7\/2021 Microsoft publica el parche para la vulnerabilidad Print Nightmare &times; Descartar alerta Ayer ya anunci&aacute;bamos en 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