Winsock
The latest Winsock coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches Kernel Info Leak in Windows Networking Driver: What You Need to Do
Microsoft pushed out its July 2026 security updates on Tuesday, and among the fixes is a patch for a notable kernel-level information disclosure flaw in a core Windows networking component. The...
Microsoft Patches Critical AFD.sys Zero-Day Allowing SYSTEM-Level Code Execution
Microsoft has issued a critical security advisory for CVE-2026-21238, a newly discovered elevation-of-privilege vulnerability in the Windows Ancillary Function Driver for WinSock (AFD, afd.sys). This...
CVE-2026-20831: Critical Windows AFD Kernel Vulnerability Threatens Local Privilege Escalation
Microsoft has disclosed a critical kernel-level elevation-of-privilege vulnerability in the Windows Ancillary Function Driver for WinSock (afd.sys), designated as CVE-2026-20831, that enables...
CVE-2025-60719: Critical Windows AFD WinSock Vulnerability Explained
Microsoft has issued an urgent security update addressing CVE-2025-60719, a high-severity local privilege escalation vulnerability in the Windows Ancillary Function Driver for WinSock (afd.sys) that...
CVE-2025-62217: Critical Windows AFD WinSock Race Condition Vulnerability
Microsoft has disclosed CVE-2025-62217, a critical local privilege escalation vulnerability in the Windows Ancillary Function Driver for WinSock (afd.sys) that poses significant security risks to...
Patches released for CVE-2025-58714 AFD driver flaw granting attackers SYSTEM access
Microsoft has confirmed a serious elevation-of-privilege vulnerability in the Windows Ancillary Function Driver for WinSock (afd.sys) that could allow attackers to gain SYSTEM-level privileges on...
CVE-2025-54099: Windows Winsock Driver Stack Overflow Threatens SYSTEM Access
A stack-based buffer overflow in the Windows Ancillary Function Driver for WinSock (afd.sys) can be exploited by local attackers to seize SYSTEM privileges, Microsoft disclosed in a security...
Overcoming the Dreaded HTTP 429 Proxy Error on Windows 11: A Step-by-Step Guide
Windows 11 users across enterprise environments and home offices are reporting a surge in HTTP 429 “Proxy Error” messages—a stubborn roadblock that kills productivity and baffles even seasoned...
Critical Windows AFD.sys Kernel Flaw (CVE-2025-53718) Exposes Systems to Local Privilege Escalation
Microsoft has issued a high-priority security advisory for a use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys). Tracked as CVE-2025-53718, the flaw allows a...
Actively Exploited AFD.sys Vulnerability Grants Attackers SYSTEM Access: Patch Now
Microsoft has patched a dangerous vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys) that attackers are actively exploiting in the wild to gain complete control over...
New AFD.sys Use-After-Free (CVE-2025-53147) Demands Immediate Patching as Kernel Exploit Chains Resurface
A use-after-free vulnerability in the Windows Ancillary Function Driver for WinSock (AFD.sys) tracked as CVE-2025-53147 allows a local attacker to escalate privileges to SYSTEM, Microsoft disclosed...
CVE-2025-53141: Microsoft Fixes AFD.sys Null Pointer Bug Enabling Local SYSTEM Escalation
{ "title": "CVE-2025-53141: Microsoft Fixes AFD.sys Null Pointer Bug Enabling Local SYSTEM Escalation", "content": "Microsoft has released a security patch for a high‑severity privilege...