ThreatsTechnology, Cloud & SaaSHighMicrosoft Windows WinSock Driver Zero-Day Flaw CVE-2026-68820 Exploited by Ransomware Groups for SYSTEM TakeoverCISA warns of in-the-wild exploitation of CVE-2026-68820, a use-after-free vulnerability in the Windows Ancillary Function Driver (afd.sys) granting SYSTEM privilege.Daniel Okafor·16 Sep 2026, 03:55 IST·9 min read