Malware Protection Engine
The latest Malware Protection Engine coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-55012: Why the Latest Windows Update Won't Fix This Defender Vulnerability
Microsoft disclosed a remote code execution vulnerability in its Malware Protection Engine on July 14, 2026, and the fix isn't part of any monthly Windows security release. CVE-2026-55012 sits in the...
Defender Engine Update Fixes Critical RCE Flaw – But It Won’t Show in Windows Update
On July 14, 2026, Microsoft fixed a critical remote code execution vulnerability in its Malware Protection Engine, the core scanning component of Microsoft Defender and other antimalware products....
Defender’s RoguePlanet Fix Spawns a Disk-Draining Bug—How to Protect Your PC
Microsoft delivered Malware Protection Engine version 1.1.26060.3008 on July 14, 2026, sealing the notorious RoguePlanet vulnerability. But the same update has a dangerous side effect: a new,...
Update Microsoft Defender to 1.1.26040.8 to Fix CVE-2026-45584 RCE Flaw
Microsoft dropped a critical security update on May 19, 2026, for the Microsoft Malware Protection Engine—the silent workhorse behind Windows Defender and several other Microsoft security products....