{“lastseen”:””,”description”:”Multiple Microsoft-sigend UEFI SHIM bootloaders are vulnerable to SecureBoot bypass. An attacker with administrative privileges or the ability to modify the boot process could use one of the vulnerable shim bootloaders to bypass Secure Boot protections and execute arbitrary code before the operating system loads. Specific UEFI DBX update is required to block these vulnerable boot loaders.”,”published”:”2026-06-09T18:10:15.426Z”,”modified”:”2026-06-09T19:41:27.054Z”,”type”:”cve”,”title”:”CVE-2026-8863″,”source”:”certcc”,”references”:”https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-8863\\nhttps:\/\/kb.cert.org\/vuls\/id\/616257″,”id”:”CVE-2026-8863″,”bulletinFamily”:””,”cwe”:null,”cvelist”:null,”sourceData”:”Oracle Corporation OracleLinux(7.2) shim 0.9\\nPC-Doctor Service Center Enterprise 14\\nPC-Doctor Service Center Drive Erase 15\\nPC-Doctor Service Center Japan 15\\nPC-Doctor Service Center 14\\nPC-Doctor Network Factory for Linux (Bootable Diagnostics) 6.9\\nPC-Doctor Factory for Linux (Bootable Diagnostics) 6.9\\nSpyrus WTGCreator 4.2\\nBlancco UK WhiteCanyon WipeDrive 8.0.0\\nBaramundi Software Baramundi Management Suite *\\nFinland Matriculation Board Abitti 1 1.0.0\\nNTC IT ROSA LLC RosaLinux R9\\nNTC IT ROSA LLC RosaLinux R10″,”sourceHref”:””,”cvss”:{“score”:7.8,”severity”:”HIGH”,”vector”:”CVSS:3.1\/AV:L\/AC:L\/PR:L\/UI:N\/S:U\/C:H\/I:H\/A:H”,”version”:”3.1″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”OracleLinux(7.2) shim”,”version”:”0.9″,”vendor”:”Oracle Corporation”,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:””,”description”:”Multiple Microsoft-sigend UEFI SHIM bootloaders are vulnerable to SecureBoot bypass. An attacker with administrative privileges or the ability to modify the boot process could use…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,28,12,15,13,7,11,5],"class_list":["post-61433","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-78","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n