Windows Security
The latest Windows Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2025-62466: Critical Windows Offline Files Vulnerability Explained
Microsoft has disclosed a significant security vulnerability in a core Windows component, assigning it the identifier CVE-2025-62466. This flaw resides within the Windows Client-Side Caching (CSC)...
CVE-2025-62454: Critical Windows Cloud Files Driver Vulnerability Requires Immediate Patching
Microsoft has confirmed a high-confidence elevation-of-privilege vulnerability in the Windows Cloud Files Mini Filter Driver that could allow local, low-privileged users to escalate to SYSTEM-level...
PowerShell 5.1 Security Hardening Breaks Web Automation — How to Fix It Now
Microsoft’s latest Windows update, released on December 9, 2025, introduces a security confirmation prompt in PowerShell 5.1 that stops Invoke-WebRequest whenever it would parse a web page using...
Secure Boot 2023 Certificate Rollover: Complete Intune Deployment Guide
Microsoft's Secure Boot certificate rollover represents one of the most critical infrastructure updates for Windows administrators in recent years—a single operational item that can break trust...
Smart App Control no longer requires Windows 11 reinstall to toggle on or off
Microsoft has quietly implemented a significant change to Windows 11's Smart App Control (SAC) security feature, removing the long-standing requirement for a clean installation to enable or disable...
Apache HTTP Server Windows SSRF Vulnerability (CVE-2025-59775): Critical NTLM Leak Threat
A critical Windows-specific Server-Side Request Forgery (SSRF) vulnerability in Apache HTTP Server has been identified, designated CVE-2025-59775, which could allow attackers to force the server to...
libcurl Bug Threatens Windows Apps with Crashes and Cookie Theft—Here’s How to Patch
In September 2025, the curl project disclosed CVE-2025-9086, an out-of-bounds read in libcurl that can crash applications and, in rare cases, let attackers overwrite secure cookies. The flaw touches...
AI-Powered Ransomware Surge: Windows Security Threats & Defenses for 2026
The cybersecurity landscape is undergoing a seismic shift as we approach 2026, with ransomware and extortion attacks evolving from episodic crises to persistent structural risks. According to recent...
Update Python Now: Memory-Exhaustion Bug in plistlib Can Crash Windows Services
The Python project has patched a severe denial-of-service vulnerability in its plistlib library that could let a malicious Property List file exhaust system memory and crash any process that parses...
12-Step Malware Cleanup Guide Uses Only Free Windows Built-In Tools
Modern Windows PCs are rarely crippled by noisy, desktop-breaking viruses anymore, but infections still happen—and when they do, a calm, methodical cleanup using built-in tools plus a few trusted...
Microsoft Patches Critical LNK Shortcut Vulnerability CVE-2025-9491: UI Now Exposes Hidden Commands
Microsoft has finally addressed a critical security vulnerability in Windows shortcut handling that has been exploited by nation-state actors and cybercriminals for years, fundamentally changing how...
12 Free Tactics to Remove Windows Malware Without Reinstalling Your OS
Modern antivirus tools have made PC infections less common, but when a virus does slip past defenses, the fix is usually straightforward—and often free—if you follow a methodical checklist....