The older authentication bypass flaws were exploited by a cyberespionage threat actor Cisco Talos tracks as UAT-8616. It’s not clear whether the new vulnerability was exploited by the same group …
Tag:
Unpatched
Safety & Security
Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched
by David Walker
Ravie LakshmananApr 17, 2026Vulnerability / Endpoint Security Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. …