Active Defender exploits hit CVE-2026-41091 and CVE-2026-45498; June 3 fixes reduce SYSTEM and DoS risk.

Microsoft's total vulnerability count stayed steady in 2025, but critical flaws surged year over year. BeyondTrust breaks down why attackers are increasingly focused on privilege…

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.