Winsock
The latest Winsock coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-53137: Microsoft’s AFD.sys Patch Stops Local Attackers from Hijacking SYSTEM
A use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys), tracked as CVE-2025-53137, hands any local attacker with a toehold on a machine a direct path to SYSTEM...
Actively Exploited Windows AFD.sys Flaw Earns CISA KEV Status Amid Patching Confusion
Microsoft’s February 2025 Patch Tuesday delivered a fix for CVE-2025-21418, a heap-based buffer overflow in the Windows Ancillary Function Driver (afd.sys), but sysadmins are grappling with a...
Windows AFD.sys Hit Again: Race Condition CVE-2025-49762 Opens Door to SYSTEM Access
Microsoft has disclosed yet another high-severity vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys), this time a race condition tracked as CVE-2025-49762 that allows a...
Windows 'No Internet' but Browsing Works? 3 Steps to Fix NCSI False Alarms
The yellow warning triangle over your network icon is a familiar frustration: Windows insists you have "No Internet access," yet your browser loads pages without a hitch. This deceptive indicator is...
Critical Windows Kernel Vulnerability CVE-2025-32709 Exposes Systems to Privilege Escalation
A newly disclosed critical vulnerability in the Windows kernel designated CVE-2025-32709 exposes millions of systems to local privilege escalation attacks by exploiting a fundamental memory...
Critical WinSock Flaw (CVE-2025-21418) Grants SYSTEM Access—Apply Patch Now
CVE-2025-21418: Critical WinSock Driver Vulnerability Explained Microsoft has issued an urgent security advisory regarding CVE-2025-21418, a critical vulnerability in the Windows Sockets (WinSock)...