Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Patch Now: Unauthenticated Attackers Can Crash Windows Servers via HTTP.sys Flaw
Microsoft released its July 2026 security updates on July 14, and among the dozens of fixes is a vulnerability that deserves immediate attention from anyone running a Windows web server. Tracked as...
Microsoft Closes Secure Boot Security Gap—Patches for All Windows Versions Out Now
Microsoft fixed a vulnerability in Windows Secure Boot on July 14, 2026 that could allow an attacker with local access to bypass the very mechanism designed to keep malware out of the boot process....
Windows Clipboard Flaw Can Turn Limited Access Into Full System Control—Patch Now
Microsoft released security updates on July 14, 2026, addressing a high-severity vulnerability in Windows Clipboard Server that could allow a locally authenticated attacker with low privileges to...
Microsoft Patches NTFS Heap Overflow Flaw (CVE-2026-49184) That Enables Code Execution Without User Interaction
On July 14, 2026, Microsoft released a security update fixing a heap-based buffer overflow in the Windows NTFS file system that could allow attackers to execute code locally without any privileges or...
Windows DHCP Client Flaw Earns 7.5 CVSS Score, Patched Across Six Server Generations
Microsoft released its July 14, 2026 security updates on Tuesday, and one bulletin in particular should catch the eye of every Windows Server administrator: CVE-2026-49181, a network-exploitable...
Windows 11 July Patch KB5101650 Seals UPnP Library from Local File Abuse
On July 14, 2026, Microsoft released a security update that fixes a vulnerability in the Windows Universal Plug and Play (UPnP) service — a component normally associated with automatic device...
Patch Your Domain Controllers Now: Microsoft Fixes Active Directory RCE That Can Hijack Entire Networks
On July 14, 2026, Microsoft released a security update for a critical vulnerability in Windows Active Directory Domain Services (AD DS) that could allow a remote attacker to take over a domain...
Update Now: Microsoft’s July Patch Slams Shut a High-Severity Push Notification Privilege Escalation Hole
On July 14, 2026, Microsoft released its monthly round of security fixes, and among them is a patch that Windows 11 and Windows Server 2025 administrators shouldn’t ignore. The vulnerability,...
Microsoft Fixes Remote LSASS Vulnerability That Can Take Down Windows Domain Controllers
On July 14, 2026, Microsoft released its monthly security updates, and among the fixes is a patch for a vulnerability that should make every IT administrator sit up and take notice. CVE-2026-40378 is...
July 2026 Windows Update Closes Door on No-Authentication Network DoS in Schannel
The July 14, 2026 security updates from Microsoft patch a vulnerability in Windows Secure Channel that lets an unauthenticated attacker trigger a denial of service over a network. The flaw, tracked...
Microsoft Ships Fix for PowerShell Path Traversal RCE (CVE-2026-40400) – Here’s What to Patch First
Microsoft released its July 14, 2026 security updates fixing CVE-2026-40400, a high-severity remote code execution vulnerability in Windows PowerShell that earned a CVSS 3.1 score of 8.0. The flaw...
CVE-2026-41087: File Explorer update plugs data leak—what Windows users should do
Every logged-in user on your PC could be snooping through data they shouldn’t see, thanks to a File Explorer flaw Microsoft just patched. The vulnerability, tracked as CVE-2026-41087, was disclosed...