Neowin

Microsoft cautions new Windows 11 / 10 ISO installs must have this Defender update0 0

Microsoft released a new Defender update for Windows 10 and 11 ISO images. According to the company, this update must be deployed across all new Windows 11 and 10 installs. This past week Microsoft ...
Neowin

Microsoft releases new Defender update for Windows 11, 10, Server ISO installations0 0

Microsoft releases new Windows Defender update packages very frequently to protect against various newly discovered malware. Once a while every three months or so, the company also pushes out these ...
Morning Overview on MSN

Microsoft just rushed patches for two Defender zero-days code-named 'RedSun' and 'UnDefend' — both already being exploited right now on Windows devices

Microsoft pushed emergency patches this week for two zero-day vulnerabilities in Windows Defender, the antivirus software baked into every modern Windows PC. Both flaws are already being exploited in ...
MSN on MSN

CISA just added two Microsoft Defender flaws to the actively exploited list — every federal agency ordered to patch CVE-2026-41091 and CVE-2026-45498 by Wednesday

Every federal civilian agency running Microsoft Defender now faces a two-week countdown to fix two actively exploited security flaws. CISA added CVE-2026-41091 and CVE-2026-45498 to its Known ...