Secure Boot is also considered a best practice for those who face high-risk threats. For people or devices that don’t use Secure Boot, PKfail poses no added threat.

One is a second Secure Boot flaw identified as CVE-2025-4275, while another is a zero-day vulnerability listed as CVE-2025-33053.

New Offering Enables Processors to Boot Securely and Extends Trust to Connected Systems ALISO VIEJO, Calif. -- Feb. 11, 2014 -- Microsemi Corporation (Nasdaq: MSCC), a leading provider of ...