{"id":6790,"date":"2025-07-08T06:10:03","date_gmt":"2025-07-08T04:10:03","guid":{"rendered":"https:\/\/computerservice.arminfischer.com\/news\/?p=6790"},"modified":"2025-07-08T06:23:31","modified_gmt":"2025-07-08T04:23:31","slug":"uefi-secureboot-certificates-expire-in-2026","status":"publish","type":"post","link":"https:\/\/computerservice.arminfischer.com\/news\/6790\/uefi-secureboot-certificates-expire-in-2026\/","title":{"rendered":"UEFI &#8211; SecureBoot certificates expire in 2026"},"content":{"rendered":"\n<p><bdo lang=\"en\" dir=\"ltr\">UEFI &#8211; SecureBoot certificates expire in 2026. Tuhl Teim DE.<br>https:\/\/computerservice.arminfischer.com\/news\/6790\/ .<\/bdo><\/p>\n\n\n\n<p><a href=\"https:\/\/computerservice.arminfischer.com\/news\/tag\/uefi\/\">#UEFI<\/a> <a href=\"https:\/\/computerservice.arminfischer.com\/news\/tag\/bios\/\">#BIOS<\/a> <a href=\"https:\/\/computerservice.arminfischer.com\/news\/tag\/keys\/\">#Keys<\/a> #SecureBoot <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Expiration date in UEFI BIOS \u2013 all PCs affected \u2013 Secure Boot certificates expire<\/h3>\n\n\n\n<p><bdo lang=\"en\" dir=\"ltr\">&#8220;Starting in June 2026, the current Microsoft Secure Boot certificates will expire. Virtually every PC today has a UEFI BIOS with Secure Boot enabled and Windows 11 or Linux installed. Secure Boot works like the key-lock principle. Certificates from Microsoft are stored in the UEFI BIOS. These are currently the certificates \u201cMicrosoft Corporation UEFI CA 2011\u201d, \u201cMicrosoft Corporation KEK CA 2011\u201d and \u201cWindows Production PCA 2011\u201d, which will expire in June 2026 and October 2026 and lose their validity. If, after that, the Windows bootloader in the bootmgfw.efi file is updated by Windows 11 updates and encounters the old certificates in the UEFI BIOS, the PC will no longer start up, and vice versa. Every user worldwide must update their UEFI BIOS certificates; the countdown to June 2026 is running\u2026 &#8221; Tuhl Teim DE .<\/bdo><\/p>\n\n\n\n<p>. <a href=\"https:\/\/youtu.be\/ghSmATRYJwk?si=8eDLO56Ig9GzfBl5\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/youtu.be\/ghSmATRYJwk?si=8eDLO56Ig9GzfBl5<\/a> . <\/p>\n\n\n\n<p>. <a href=\"https:\/\/www.tuhlteim.de\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.tuhlteim.de<\/a> .<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p>Hashtags<\/p>\n\n\n\n<p><a href=\"https:\/\/computerservice.arminfischer.com\/news\/tag\/uefi\/\">#UEFI<\/a> , <a href=\"https:\/\/computerservice.arminfischer.com\/news\/tag\/bios\/\">#BIOS<\/a> , <a href=\"https:\/\/computerservice.arminfischer.com\/news\/tag\/keys\/\">#Keys<\/a> , #SecureBoot , <\/p>\n\n\n\n<p>Keywords <\/p>\n\n\n\n<p>UEFI, BIOS, Keys , SecureBoot , Secure Boot , SecureBoot Keys , Secure Boot Keys , Tuhl Teim DE , www.tuhlteim.de ,<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UEFI &#8211; SecureBoot certificates expire in 2026. Tuhl Teim DE.<br \/>\nhttps:\/\/computerservice.arminfischer.com\/news\/6790\/ . <\/p>\n","protected":false},"author":2,"featured_media":6784,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2540,5973,5975,2537,6293,6294,1179,5981,5841,1180,2231,5983,1184,1730,5985,111,5843,2842,2840,2624,8765,2538,5869,1186,5871,1187,51,5873,7357,6680,6679,5993,1731,5995,1725,6678,2841,402,873,7113,2627,8759,874],"tags":[1854,862,8758,861],"class_list":["post-6790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acuteremotemaintenance","category-acuteremotemaintenance-de","category-akutfernwartung-de","category-akutfernwartung","category-computernotdienst","category-computernotdienstgemeindememmelsdorf","category-computerrepair","category-computerrepair-de","category-computerreparatur-de","category-computerreparatur","category-computerservicearminfischercom","category-computerservicearminfischercom-de","category-datensicherung","category-fernwartung","category-fernwartung-de","category-gemeindememmelsdorf","category-gemeindememmelsdorf-de","category-laptop-3","category-notebook-3","category-smartphone","category-uefi-4","category-akut-fernwartung","category-computerrepair-2-de","category-computerrepair-2","category-computerreparatur-3-de","category-computerreparatur-3","category-computerservice-arminfischer-com","category-computerservice-arminfischer-com-de","category-computerservice-arminfischer-com-news","category-english-en-gb","category-english-en-usa","category-fernwartung-3-de","category-fernwartung-3","category-helpdesk-de","category-helpdesk","category-languages","category-laptop","category-linuxmint","category-mainboard","category-remote-work-2","category-smartphone-3","category-uefi-3","category-uefi","tag-secureboot","tag-bios","tag-keys","tag-uefi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UEFI - SecureBoot certificates expire in 2026 - Computerservice.arminfischer.com\/news<\/title>\n<meta name=\"description\" content=\"UEFI - SecureBoot certificates expire in 2026. 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