{"version":"https://jsonfeed.org/version/1.1","title":"Patchfirst: CVEs linked to T1542 Pre-OS Boot","home_page_url":"https://patchfirst.co/technique/T1542/","feed_url":"https://patchfirst.co/feed/technique/T1542.json","description":"New and newly exploited CVEs that lead to ATT&CK T1542 Pre-OS Boot, with CISA KEV and EPSS context. Newest 50 by publication or KEV listing.","language":"en-GB","items":[{"id":"CVE-2025-47827#kev","url":"https://patchfirst.co/cve/CVE-2025-47827/","title":"[KEV] CVE-2025-47827: IGEL OS Use of a Key Past its Expiration Date Vulnerability","content_text":"IGEL · IGEL OS. In CISA KEV since 2025-10-14. ENISA EUVD lists it as exploited. EPSS 4.9% (higher than 92.1% of CVEs). CVSS 4.6 MEDIUM. Public exploit code exists. ATT&CK: T1542 Pre-OS Boot; T1542.001 System Firmware. Priority 64.6 of 100.","summary":"IGEL OS Use of a Key Past its Expiration Date Vulnerability","date_published":"2025-10-14T00:00:00.000Z","date_modified":"2026-06-17T09:28:44.000Z","tags":["kev","public-exploit","T1542","T1542.001"],"_patchfirst":{"reason":"kev","priority":64.6,"kev":{"dateAdded":"2025-10-14","ransomware":false},"epss":{"score":0.04927,"percentile":0.92121},"cvss":{"score":4.6,"severity":"MEDIUM","version":"3.1"},"vendor":"IGEL","product":"IGEL OS","techniqueIds":["T1542","T1542.001"],"reportCount":0,"hasPublicExploit":true,"euvdExploited":true}}]}