boot security

Microsoft confirmed on October 14, 2025 that BitLocker — the Windows full‑disk encryption technology relied on by millions of personal and enterprise devices — is affected by multiple security‑feature bypass vulnerabilities that can be exploited with only brief physical access to a machine. The...

Microsoft’s advisory for CVE-2025-55682 describes a BitLocker vulnerability that allows an attacker with physical access to bypass a BitLocker security control by exploiting improper enforcement of a behavioral workflow during early boot or recovery, and administrators should treat the vendor...

Microsoft has confirmed a Windows BitLocker security feature bypass tracked as CVE-2025-55332, and the advisory — backed by third‑party aggregators — describes an issue that allows an attacker with physical access to influence BitLocker’s boot or recovery decision logic and bypass protections...

Below is a long-form feature article you can use on WindowsForum.com. It summarizes ANSSI’s guidance (the “Start‑up security for Windows servers” publication you linked), validates and expands that guidance against Microsoft and CIS recommendations, and gives a practical, step‑by‑step playbook...

A sweeping change in Battlefield 2042’s anti-cheat policy has set off a wave of confusion and urgency among PC gamers. With update v8.8.0, Secure Boot—a UEFI firmware feature typically reserved for thwarting malware at the bare-metal level—has become a non-negotiable prerequisite for anyone...

Upgrading to Windows 11 promises a host of modern features and enhanced security, but for many users, one hurdle stands between them and a smooth installation: Secure Boot. As part of Microsoft's system requirements introduced for Windows 11, Secure Boot has transformed from an obscure UEFI...

For users continuing to rely on Windows 11, a critical new vulnerability affecting Secure Boot casts fresh doubts over the operating system's security posture. Secure Boot has long been marketed as a foundational defense—ensuring that a device loads only trusted, signed code during the initial...

Microsoft has released the KB5062688 Safe OS Dynamic Update for Windows 11, version 24H2, and Windows Server 2025 on July 8, 2025. This update enhances the Windows Recovery Environment (WinRE), ensuring a more secure and reliable recovery process. Key Highlights: Windows Secure Boot Certificate...

A newly disclosed flaw, tracked as CVE-2025-48818, has drawn urgent attention to the integrity of Microsoft’s BitLocker drive encryption, threatening to upend long-standing assumptions about physical security and data privacy on Windows devices. BitLocker, a staple security feature for millions...

A quietly looming change is set to reshape the security landscape for countless Windows PCs: the soon-to-expire Secure Boot certificates, foundational to one of Windows 11’s most crucial system requirements. For everyday users and IT administrators alike, understanding the implications of this...

Microsoft's Secure Boot, a critical security feature introduced with Windows 8, is undergoing significant updates to its certificate infrastructure to maintain system integrity and trust. These updates are essential as the existing Secure Boot certificates are set to expire in 2026...

CVE-2025-3052 is a security vulnerability identified in InsydeH2O firmware, specifically involving an untrusted pointer dereference within Windows Secure Boot. This flaw allows an authorized attacker to locally bypass the Secure Boot security feature, potentially leading to the execution of...

Microsoft’s ongoing commitment to platform reliability and security continues with the release of KB5059442, a Safe OS Dynamic Update targeting Windows 11 version 24H2 and Windows Server 2025. Rolled out on May 13, 2025, this update operates within the lesser-known but critical category of Safe...