Security Alerts
The latest Security Alerts coverage — news, analysis, and updates from the WindowsNews.AI desk.
Urgent Patch for Windows 11 26H1: KB5101649 Fixes unionfs.sys Data Leak
Microsoft disclosed a sensitive information disclosure flaw in the Windows Container Isolation FS Filter Driver, unionfs.sys, on July 14, 2026. Tracked as CVE-2026-50428, the vulnerability affects...
CVE-2026-50355: Microsoft Patches AD FS Flaw That Lets Attackers Remotely Crash Sign-In Services
On July 14, 2026, Microsoft released its monthly security updates, including a fix for a stack-based buffer overflow in Active Directory Federation Services (AD FS) that could allow an...
Hidden Danger in Windows Media: How CVE-2026-50358 Lets Attackers Escalate Privileges
Microsoft’s July 14, 2026 security update addresses a use-after-free vulnerability in Windows Media that could let a locally authenticated attacker gain full control of an unpatched machine. The...
Windows 11’s July Update Closes a Win32k Leak That Could Aid Bigger Attacks
On July 14, 2026, Microsoft released its monthly security updates, and tucked inside was a fix for CVE-2026-50416—an information-disclosure flaw in the Win32k subsystem of Windows 11 and Windows...
Patch Your DCs: July 2026 Windows Update Stops Authenticated DoS Attacks
Microsoft’s July 14, 2026 Patch Tuesday brought a fix for a denial-of-service vulnerability in Active Directory Domain Services that can let an authenticated attacker remotely crash a domain...
July Patch Tuesday Fixes High-Severity Windows Media Vulnerability on Windows 11
{ "title": "July Patch Tuesday Fixes High-Severity Windows Media Vulnerability on Windows 11", "content": "Microsoft released security update KB5101650 on July 14, 2026, fixing a high-severity...
High-Severity Windows Runtime Flaw Allows Network Privilege Escalation – Here’s What to Do
On July 14, 2026, Microsoft released patches for CVE-2026-50340, a use-after-free vulnerability in Windows Runtime that earned an 8.5 CVSS score. What sets this fix apart from a typical...
Microsoft Squashes Windows 11 Bug That Lets Hackers Hijack Your PC After Logging In — Update Now
Microsoft has fixed a high-severity Windows vulnerability that could let an attacker with basic user access completely take over an unpatched machine. The security hole, tracked as CVE-2026-50317,...
High-Severity Windows Flaw Patched, But Dell Systems Hit by Update Block
Microsoft's July 2026 Patch Tuesday quieted a high-severity elevation-of-privilege bug that could let a local attacker seize full control of an unpatched Windows 11 or Windows Server 2025 machine....
Windows DirectX Kernel Vulnerability Patched: CVE-2026-50375 Fixed in July 2026 Update — Here's What to Do
Microsoft’s July 2026 Patch Tuesday delivered a fix for CVE-2026-50375, a significant elevation-of-privilege vulnerability in the Windows DirectX Graphics Kernel. The update, released on July 14,...
CVE-2026-50335: A High-Severity Windows Flaw That Turns Limited Access into Full Control
Microsoft’s July 14, 2026 security updates close a local privilege escalation vulnerability that affects every supported version of Windows and Windows Server. Tracked as CVE-2026-50335, the flaw...
Windows Runtime Race Condition Fix Rolls Out in July 2026 Patches—Here’s Who Needs It Most
Microsoft released cumulative updates for several editions of Windows 11 and Windows Server 2025 on July 14, 2026, addressing CVE-2026-50322, a privilege escalation vulnerability in the Windows...