Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Defender Engine Update Fixes Critical RCE Flaw – But It Won’t Show in Windows Update
On July 14, 2026, Microsoft fixed a critical remote code execution vulnerability in its Malware Protection Engine, the core scanning component of Microsoft Defender and other antimalware products....
CVE-2026-54122: The 8.4-Score Windows GDI+ Bug That Can Be Exploited Without Any User Interaction
Microsoft’s July 2026 Patch Tuesday delivered a critical fix for a graphics subsystem vulnerability that affects every actively supported version of Windows. CVE-2026-54122, a heap-based buffer...
Critical RMCAST Driver RCE Fixed: What the July 2026 Windows Update Means for You
On July 14, 2026, Microsoft released cumulative security updates that patch CVE-2026-54995, a critical remote code execution vulnerability in the Windows Reliable Multicast Transport Driver, known as...
RDP Data Leak Flaw Fixed in July Windows Updates — Here’s How It Affects You
Microsoft’s July 14, 2026 security updates patched a Remote Desktop Protocol (RDP) information-disclosure vulnerability that could let attackers read sensitive data from unpatched Windows systems....
July 2026 Windows Updates Patch a Dangerous TCP/IP Vulnerability — Here's Your Action Plan
On July 14, 2026, Microsoft rolled out its monthly security updates, and among the most notable fixes is a patch for CVE-2026-54999, a high-severity remote code execution (RCE) bug in the Windows...
July Windows Update Plugs SMB Memory Leak That Let Local Attackers Access Sensitive Data
Microsoft’s July 2026 security updates, released on July 14, address a significant but locally exploitable memory leak in Windows Server Message Block (SMB). Tracked as CVE-2026-54997, the...
Unauthenticated Active Directory Loops Force Emergency Patching – CVE-2026-54119
On July 14, 2026, Microsoft released its monthly security update, and among the patches is a fix for CVE-2026-54119, a vulnerability that allows attackers to crash Windows Active Directory servers...
Urgent Windows Update Fixes USB Print Driver Flaw (CVE-2026-54996) — Apply Now
On July 14, 2026, Microsoft released a critical security patch for an elevation-of-privilege vulnerability in the Windows USB Print Driver, tracked as CVE-2026-54996. The flaw could let an attacker...
July 2026 Windows Security Patch Seals Off a Win32k Flaw That Could Hand Hackers Full Control
On July 14, 2026, Microsoft’s monthly security update fixed a use-after-free vulnerability in the Windows Win32k graphics subsystem. The bug, tracked as CVE-2026-54114, lets an attacker who already...
CVE-2026-54982: Why the July 14 Windows Update Fixes a Critical Kernel Networking Bug
Microsoft’s July 14 cumulative updates close a remote code execution hole in the Windows Reliable Multicast Transport driver—a kernel-mode component that flies under the radar for most users but...
CVE-2026-54109: Microsoft Fixes ReFS Flaw That Turns Storage Into an Attack Vector
Microsoft’s July 14, 2026 security update includes a patch for a serious vulnerability in the Windows Resilient File System (ReFS) that could allow an attacker with local access to execute...
Microsoft’s July Update Patches Windows Print Flaw That Could Propel Attackers to SYSTEM
On July 14, 2026, Microsoft released its monthly security update, which includes a fix for CVE-2026-55004, an elevation-of-privilege vulnerability in Windows Print Configuration. The flaw, rated...