Browsing Tag
Endpoint Security
2 posts
Endpoint protection, EDR, antivirus, Windows security controls, device hardening, and practical endpoint defense guidance.
BlueHammer Ransomware Flag Puts Microsoft Defender Patching Back on the Clock
CISA has updated the Microsoft Defender BlueHammer flaw, CVE-2026-33825, to mark it as used in ransomware campaigns. The flaw was patched in April, but the new flag gives Windows teams a fresh reason to verify Defender updates, endpoint telemetry, and local privilege escalation controls.
Microsoft Defender RoguePlanet Zero-Day Leaves Windows Teams Waiting for a Patch
Microsoft has acknowledged RoguePlanet, a Microsoft Defender elevation-of-privilege flaw tracked as CVE-2026-50656, but a patch is still in development. The public proof of concept turns Defender’s own file-handling workflow into a path to SYSTEM privileges, so Windows teams should tighten execution controls and monitoring while they wait for Microsoft’s fix.