Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft Abandons Password Expiration: Why Forced Changes Hurt Security
For decades, IT administrators and Windows users alike have lived by a simple, seemingly unassailable security commandment: change your password regularly. This practice, embedded in corporate...
CVE-2026-21223: Microsoft Edge Elevation Service Vulnerability Explained
A newly disclosed security vulnerability in Microsoft Edge's elevation service has raised significant concerns among Windows administrators and security professionals. Designated as CVE-2026-21223,...
January 2026 Patch Tuesday: Critical DWM Flaw Among 112 CVEs Patched
Microsoft's January 2026 Patch Tuesday has delivered critical security updates addressing 112 vulnerabilities across Windows and Microsoft products, with particular urgency surrounding an actively...
Critical Windows DWM Zero-Day Exploited: CVE-2026-20805 Patch Analysis & CERT-In Advisory
Microsoft has issued an urgent security update addressing CVE-2026-20805, a critical zero-day vulnerability in the Windows Desktop Window Manager (DWM) that's being actively exploited in the wild....
KB4524244 Secure Boot Patch Crashed Systems, Broke UEFI Recovery, Microsoft Yanked Update.
Microsoft's security update KB4524244, released in February 2020, was intended to address a critical vulnerability in the Secure Boot feature that could allow attackers to bypass security mechanisms...
Windows 7 Meltdown Patch Flaw Exposed Kernel Memory: A Critical Security Regression
In early 2018, as the tech world grappled with the unprecedented Meltdown and Spectre CPU vulnerabilities, Microsoft rushed out emergency patches to protect Windows users. While these updates were...
May 2022 OOB Patches: How Microsoft Fixed Critical Certificate Authentication Break on Domain Controllers
In May 2022, Microsoft released emergency out-of-band (OOB) updates to address a critical authentication failure affecting Windows domain controllers that had installed the May 10, 2022, cumulative...
Windows 11 CVE-2025-21204: Why Microsoft Created C:\\inetpub & Why You Shouldn't Delete It
A mysterious empty folder appearing at the root of your Windows 11 C: drive has left many users puzzled and concerned about potential malware or system issues. The C:\inetpub directory, which has...
KB5013943 Certificate Mapping Bug: How Microsoft's May 2022 Update Broke NPS & RADIUS Authentication
Microsoft's May 2022 cumulative update KB5013943 for Windows Server 2016, 2019, and 2022 domain controllers introduced a critical security change that inadvertently broke certificate-based...
NTLM Deprecated: Microsoft's Push to Kerberos & Negotiate Protocol Explained
Microsoft has officially placed NTLM (NT LAN Manager) on the deprecation list, marking a significant shift in Windows authentication strategy that will impact enterprises worldwide. The company is...
CVE-2026-20941: Critical Windows Task Host Privilege Escalation Vulnerability Requires Immediate Patching
Microsoft has disclosed a critical elevation-of-privilege vulnerability in the Host Process for Windows Tasks (taskhostw.exe/taskhostex.exe) that allows authenticated local attackers to gain...
Patch now: CVE-2026-20941 Host Process EoP threatens Windows systems.
The cybersecurity landscape for Windows systems continues to evolve with new vulnerabilities emerging regularly, and CVE-2026-20941 represents a significant concern for enterprise security teams and...