winsock afd.sys

Microsoft disclosed CVE-2026-34345 on May 12, 2026, as an Important Windows Ancillary Function Driver for WinSock elevation-of-privilege flaw that lets a low-privileged local attacker potentially win a race condition and gain SYSTEM privileges across supported Windows client and server releases...

Microsoft’s CVE-2026-26182 is a Windows Ancillary Function Driver for WinSock elevation-of-privilege vulnerability, and the phrase that matters most here is elevation of privilege. In practical terms, Microsoft is flagging a flaw that could let an attacker who already has a foothold on a machine...