Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Patches .NET Privilege Escalation Flaw That Requires No Attacker Privileges
On July 14, 2026, Microsoft released a security update to fix CVE-2026-50650, a code injection vulnerability in .NET Framework and modern .NET releases that can allow an attacker to escalate...
Windows WwanSvc Flaw (CVE-2026-50509) Lets Attackers Escalate Privileges — Patch Now
Microsoft has patched a local privilege escalation vulnerability in the Windows Wireless Wide Area Network Service (WwanSvc) as part of its July 14, 2026 security updates. The flaw, tracked as...
Microsoft Patches RDP Client Flaw That Could Expose Your PC's Memory to Attackers
On July 14, 2026, Microsoft rolled out its monthly security updates, closing a critical information disclosure hole in the Windows Remote Desktop Protocol (RDP) client. Tracked as CVE-2026-50504, the...
Windows 11 and Server 2025 Hit by ReFS Code Execution Bug — Microsoft Rushes July Patch
Microsoft has patched a serious vulnerability in Windows’ Resilient File System that could let attackers run malicious code on a fully updated PC—if they can convince a user to open a...
Microsoft Fixes ReFS Code Execution Flaw—Here’s Why Physical Access Still Matters
Microsoft released its July 2026 Patch Tuesday updates on July 14, closing a heap-based buffer overflow in the Resilient File System (ReFS) that could let an attacker execute code by simply...
Microsoft Patches Code Integrity EoP Flaw (CVE-2026-50491) That Could Give Attackers Full System Control
Microsoft rolled out its July 14, 2026 security updates, fixing a notable privilege-escalation vulnerability in a core Windows security component that could let a low-privileged attacker gain...
Patch Now: Windows July 2026 Update Fixes MSMQ Remote Code Execution Vulnerability
Microsoft has released its July 2026 security updates, and among the 60+ patches is a fix for CVE-2026-50505, a remote code execution vulnerability in the Windows Message Queuing (MSMQ) service. With...
July 2026 patches fix critical UDFS zero-day giving attackers SYSTEM access on all Windows builds
On July 14, 2026, Microsoft pushed out its monthly security updates, and one patch in particular demands immediate attention from Windows users and administrators alike. The fix addresses...
Microsoft’s July Patch Tuesday Fixes a Windows Installer Flaw That Could Hand Attackers Full System Control
A use-after-free vulnerability in the Windows Installer service could let an attacker with limited local access seize complete control of an unpatched PC, and Microsoft’s July 2026 security updates...
July Windows Update Closes NTFS Backdoor for Attackers Already on Your Machine
Microsoft released its July 2026 Patch Tuesday updates on July 14, and among them is a fix for a vulnerability in the Windows NTFS file system that’s being tracked as CVE-2026-50494. The...
Windows July Patch Closes Heap Overflow That Could Escalate Any Local User to SYSTEM
Microsoft’s July 14, 2026 security update fixes a high-severity vulnerability in the Windows Win32k subsystem that could allow an attacker with just a basic foothold on a machine to gain complete...
Microsoft Fixes Windows Print Spooler Flaw That Gave Attackers Easy System Access
Microsoft's July 14, 2026 Patch Tuesday release slips a fix for CVE-2026-50499 into cumulative updates, shutting down a heap-based buffer overflow in the Windows Print Spooler that let any...