https://invaders.ie/resources/blog/vulnerability/u-boot-fit-signature-flaws-pre-os-trust-boundary Invaders Security en 2026-07-11T08:05:13.727Z U-Boot FIT signature flaws expose a fragile pre-OS trust boundary U-Boot, FIT signature verification, firmware security, bootloader, BRLY-2026-037, BRLY-2026-038, secure boot, embedded Linux, BMC, supply chain https://invaders.ie/resources/blog/vulnerability/microsoft-defender-rogueplanet-cve-2026-50656-fix Invaders Security en 2026-07-10T08:08:47.476Z Microsoft Defender RoguePlanet fix closes a SYSTEM-level escalation path CVE-2026-50656, RoguePlanet, Microsoft Defender, Microsoft Malware Protection Engine, privilege escalation, endpoint security, SYSTEM privileges, Windows security, vulnerability management