Boot Security
The latest Boot Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2023-4001: Critical GRUB2 Boot Password Bypass Vulnerability Explained
A critical security vulnerability in the GRUB2 bootloader, tracked as CVE-2023-4001, has been discovered that allows attackers with physical access to bypass password protection and gain unauthorized...
CVE-2022-28737 Shim Vulnerability: Azure Linux Exposure and Boot Security Risks
A critical vulnerability in the widely deployed shim bootloader, designated CVE-2022-28737, resurfaced as a significant security concern, particularly highlighting risks within Microsoft's Azure...
Microsoft's January Patch Tuesday Fixes Critical Secure Boot Certificate Expiration
Microsoft's January 2025 Patch Tuesday has delivered a crucial security update that addresses expiring Secure Boot certificates on Windows devices, a preventative fix that security experts are...
GRUB2 CVE-2025-61661: Critical Bootloader Vulnerability Threatens Windows Dual-Boot Systems
A newly discovered vulnerability in the GRUB2 bootloader, tracked as CVE-2025-61661, has security researchers and system administrators on high alert, particularly affecting Windows users who rely on...
CVE-2025-61662: Critical GRUB2 Use-After-Free Bug Threatens Boot Security
A newly disclosed vulnerability in the GRUB2 bootloader, tracked as CVE-2025-61662, has raised significant security concerns across the computing landscape. This use-after-free defect represents a...
BitLocker 2025 Security Flaws: Critical Boot Path Vulnerabilities Require TPM PIN Protection
Microsoft has confirmed multiple critical security vulnerabilities in BitLocker, Windows' full-disk encryption technology used by millions of personal and enterprise devices worldwide. The October...
CVE-2025-47827: IGEL OS 10 Secure Boot Bypass Vulnerability Analysis
A critical security vulnerability designated CVE-2025-47827 has been discovered in IGEL OS 10, exposing enterprise thin-client systems to potential Secure Boot bypass attacks. This high-severity flaw...
CVE-2025-55682 BitLocker Bypass: Critical Windows Security Patch Required
Microsoft has issued a critical security advisory for CVE-2025-55682, a newly discovered vulnerability in BitLocker that allows attackers with physical access to bypass the encryption protection...
Windows BitLocker CVE-2025-55332: Physical Bypass Vulnerability Analysis
Microsoft has confirmed a critical Windows BitLocker security feature bypass vulnerability tracked as CVE-2025-55332, representing a significant threat to enterprise security and personal data...
Windows Server Boot Security: ANSSI Guidance and Best Practices 2024
The French National Agency for the Security of Information Systems (ANSSI) has released comprehensive guidance on Windows Server boot security, providing organizations with a structured approach to...
Microsoft Fixes High-Impact BitLocker Use-After-Free Vulnerability (CVE-2025-54911)
Microsoft has disclosed a high-severity use-after-free vulnerability in Windows BitLocker, tracked as CVE-2025-54911, that could allow a local attacker to elevate privileges from a standard user...
Microsoft Warns: UEFI Secure Boot Certificates Expire in 2026, Unpatched PCs at Risk
UEFI Secure Boot, the firmware-level defense that keeps Windows PCs free from boot-level malware, faces a critical transition in 2026 when core certificate authorities expire. Microsoft has warned...