News

Microsoft Defender under attack as three zero-days, two of them still unpatched, enable elevated access

  • Pierluigi Paganini--Securityaffairs.com
  • published date: 2026-04-18 06:49:12 UTC

Attackers exploit three Microsoft Defender zero-days, code-named BlueHammer, RedSun, and UnDefend, to gain elevated access. Attackers are exploiting three recently disclosed zero-day flaws in Microsoft Defender to gain higher privileges on compromised systems…

Microsoft Defender under attack as three zero-days, two of them still unpatched, enable elevated access Attackers are exploiting three recently disclosed zero-day flaws in Microsoft Defender to gain… [+1668 chars]