Microsoft Security
The latest Microsoft Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-23666: Microsoft's High Confidence Rating Signals Critical .NET Framework DoS Vulnerability
Microsoft's CVE-2026-23666 entry reveals a denial-of-service vulnerability in the .NET Framework with a critical 7.5 CVSS score and Microsoft's highest confidence rating. The company's own assessment...
AZ-900 vs AZ-500: Why Treating Them as Separate Exams Is Key to Microsoft Azure Certification Success
Microsoft's AZ-900 and AZ-500 certifications represent fundamentally different approaches to Azure knowledge assessment, requiring distinct preparation strategies despite their shared focus on...
CVE-2026-21713: Microsoft's Conditional Vulnerability Reveals Nuances in Exploit Scoring
Microsoft's CVE-2026-21713 represents a significant departure from typical vulnerability disclosures. The security flaw carries an important qualification that changes how defenders should approach...
CVE-2026-21717: The Windows DoS Bug That Locks Services Down Even After the Attack Stops
Microsoft has published details of a newly acknowledged vulnerability, CVE-2026-21717, that can completely knock out access to a Windows service and — in a twist that elevates this beyond a routine...
Microsoft's RSAC 2026 BSOD Incident: AI Security Showcase Derailed by Windows Crash
Microsoft's RSAC 2026 booth demonstration crashed with a Blue Screen of Death during what was intended as a showcase of AI-first security capabilities. The incident occurred while Microsoft security...
Microsoft CVE Details Access Issues: How JavaScript Blocking Impacts Security Research
Microsoft's official CVE details pages are failing to load for users who block JavaScript, creating significant barriers for security researchers, IT administrators, and journalists who need timely...
CVE-2026-26136: Analyzing the Microsoft Security Update Guide Access Controversy
Microsoft's Security Update Guide has become the focal point of a significant controversy surrounding CVE-2026-26136, a vulnerability that has generated substantial discussion despite limited...
SentinelOne CEO Claims Microsoft Has Most Vulnerabilities, Sparking Security Stack Debate
SentinelOne CEO Tomer Weingarten made a direct claim during a recent interview: \"Microsoft has the most vulnerabilities.\" This statement has reignited the long-standing debate about whether...
Microsoft's Weekend Hotpatch and $650B AI Investment: Security Demands Meet Unprecedented Infrastructure Spending
Microsoft released an emergency hotpatch over the weekend to address critical security vulnerabilities, while simultaneously signaling plans to invest approximately $650 billion in AI infrastructure...
CVE-2025-37915: Microsoft's Azure Linux Vulnerability & Attestation Explained
Microsoft's recent security advisory regarding CVE-2025-37915 has raised important questions about vulnerability management in cloud-native environments, particularly concerning how Microsoft handles...
Microsoft Security Overhaul: Leadership Reshuffle & Engineering Quality Focus to Rebuild Trust
Microsoft has initiated a significant internal reorganization aimed at addressing mounting security concerns and rebuilding trust with enterprise customers and government agencies. The tech giant,...
Windows 11 Reliability Crisis: Microsoft's 2026 Pivot from Features to Stability
Microsoft's January 2026 Windows 11 update represents a dramatic strategic shift that acknowledges what enterprise IT professionals and power users have been reporting for years: Windows quality has...